Medicine, Nursing and Allied Health Professions



Arias-de la Torre, Eiroa-Orosa FJ, Molina AJ, Colell E, Dávila-Batista V, Moreno-Montero F, Robles N, Valderas JM, Martín V. Relationship of problematic cannabis use in the young population of Spain with perceived risk, environmental factors and sociodemographic factors. Adicciones 2021; 33(1): 63-70. doi: 10.20882/adicciones.1256. PubMed

Arias de la Torre JRonaldson AValderas JMVilagut GSerrano-Blanco AHatch SLAlonso JHotopf MDregan A. Diagnostic promiscuity: the use of real-world data to study multimorbidity in mental health. Editorial. Br J Psychiatry 2021; 1-3 13 Jan PubMed

Arias-de la Torre J, Vilagut G, Ronaldson A, Serrano-Blanco A, Martín V, Peters M, Valderas JM, Dregan A, Alonso J. Prevalence and variability of current depressive disorder in 27 European countries: a population-based study. Lancet Public Health. 2021 May 4:S2468-2667(21)00047-5. DOI 

Burden EG, Batten TJ, Smith CD, Evans JP. Reverse total shoulder arthroplasty: a systematic review and meta-analysis of complications and patient outcomes dependent on prosthesis design. The Bone & Joint Journal. 2021 May 1;103:1-9.

Burden E, Walker R, Ferguson D, Goubran A, Howell JH, John J, Khan F, McGrath JS, Evans JP. The provision of a time-critical elective surgical service during the Covid-19 crisis - A UK experience: A retrospective single-centre observational study. Annals of the Royal College of Surgeons of England 2021; Online ahead of publication 

Coste J, Valderas JM, Carcaillon-Bentata L. Estimating and characterizing the burden of multimorbidity in the community: A comprehensive multistep analysis of two large nationwide representative surveys in France. Plos Med 2021;18(4):e10003584  PubMed

Evans JP, Batten T, Bird J, Thomas WJ, Kitson JB, Smith CD. Survival of the Aequalis Total Shoulder Replacement at a Minimum 20-year Follow: a clinical and radiographic study. Journal of Shoulder and Elbow Surgery. 2021 Mar 3. PubMed

Fellenor J, Britten N, Courtenay M, Payne RA, Valderas J, Denholm R, Duncan P, McCahon D, Tatnell L, Fitzgerald R, Warmoth K, Gillespie D, Turner K, Watson M. A multi-stakeholder approach to the co-production of the research agenda for medicines optimisation. BMC Health Serv Res. 2021 Jan 13;21(1):64. doi: 10.1186/s12913-021-06056-5. PubMed

Klapproth CP, van Bebber J, Sidey-Gibbons CJ, Valderas JMLeplege A, Rose M, Fischer FPredicting EQ-5D-5L crosswalk from the PROMIS-29 profile for the United Kingdom, France, and Germany. Health and Quality of Life Outcomes 2021;18:389  PubMed

Masoli M, Lanario JW, Hyland ME, Menzies-Gow A, Mansur AH, Allen D, Dodd JW, Hayes G, Valderas JM, Lamb SE, Jones RC. The Severe Asthma Questionnaire: sensitivity to change and minimal clinically important difference (MCID). Letter. Eur Respir J. 2021 Feb 25;2100300. doi: 10.1183/13993003.00300-2021. PubMed

Porter I, Davey A, Gangannagaripalli J, Evans J, Bramwell C, Evans P, Gibbons C, Valderas JM. Integrating Patient Reported Outcome Measures (PROMs) into routine nurse-led primary care for patients with multimorbidity: a feasibility and acceptability study. Health Qual Life Outcomes 2021 Apr 26;19(1):133. doi: 10.1186/s12955-021-01748-2. PubMed

Ricci-Cabello I, Gangannagaripalli J, Mounce LTA, Valderas JM. Identifying factors leading to harm in English general practices: A mixed-methods study based on patient experiences integrating structural equation modeling and qualitative content analysis. J Patient Saf. 2021 Jan 1;17(1):e20-e27. doi: 10.1097/PTS.0000000000000669. PubMed

Ricci-Cabello I, Yanez-Juan AM, Fion-deRoque MA, Leiva A, Canaves JL, Parementier FBR, Valderas JM. Assessing the impact of multi-morbidity and related constructs on patient reported safety in primary care: generalized structural equation modelling of observational data. J Clin Med 2021;10(8):1782. Open Access

Van Oppen JD, Valderas JM, Mackintosh NJ, Conroy SP. Patient-reported outcome and experience measures in geriatric emergency medicine. Zeitschrift für Gerontologie und Geriatrie  2021; 54:122–124doi: 10.1007/s00391-020-01777-4. PubMed




Aith F, Castilla Martinez M, Cho M, Dussault G, Harris M, Padilla M, Murphy GT, Tomlin P, Valderas JM. Is COVID-19 a turning point for the health workforce? Rev Panam Salud Publica. 2020;44;e102.  

Arias-de la Torre J, Alonso J, Martín V, Valderas JM. Hospital-at-Home as an alternative to release the overload of healthcare systems during the severe acute respiratory Syndrome Coronavirus2 (SARS-CoV-2) Pandemic. Letter. J Am Med Dir Assoc 2020 Jul;21(7);990-991. doi: 10.1016/j.jamda.2020.04.024. PubMed

Arias-de la Torre J, Eiroa Orosa FJ, Molina AJ, Colell E, Dávila-Batista V, Moreno-Montero F, Robles N, Valderas JM, Martín V. Relationship of problematic cannabis use among youth in Spain with perceived risk, environmental factors and sociodemographic factors. Adicciones 2020 Jul 14;0(0):1256. doi: 10.20882/adicciones.1256 PubMed

Arias-de la Torre J, Puigdomenech E, García X, Valderas JM, Eiroa-Orosa FJ, Fernández-Villa T, Molina AJ, Martín V, Serrano-Blanco A, Alonso J, Espallargues M. Relationship between depression and the use of mobile technologies and social media among adolescents: an umbrella review. J Med Internet Res. 2020 Aug 26;22(8):e16388 doi: 10.2196/16388. PubMed 

Arias de la Torre JRonaldson AValderas JMAlonso JPrina MHatch SRayner LPickles AHotopf MDregan A. Depression and physical multimorbidity during the adulthood. Cross-sectional associations. European Journal of Public Health 2020; 30(Suppl 5) DOI: 10.1093/eurpub/ckaa165.824

Arias-de la Torre J, Smith K, Dregan A, Valderas JMEvans JP, Prieto-Alhambra D, Lozano L, Molina AJ, Martín V, Domingo L, Muñoz L, Espallargues M. Impact of comorbidity on the short- and medium-term risk of revision in total hip and knee arthroplasty. BMC Musculoskelet Disord. 2020 Jul 9;21(1):447. doi: 10.1186/s12891-020-03455-3. PMID: 32646395 PubMed

Arias-de la Torre J, Valderas JM, Benavides FG, Alonso J. Cardboard floor: about the barriers for social progression and their impact on the representativeness of epidemiological studies. J Epidemiol Community Health. 2020; Sep 22:jech-2020-214978. doi: 10.1136/jech-2020-214978. Online ahead of print. PubMed

Arias-de la Torre J, Vilagut G, Ronaldson A, Dregan A, Ricci-Cabello I, Hatch SL, Serrano-Blanco A, Valderas JM, Hotopf M, Alonso J. Prevalence and age patterns of depression in the United Kingdom. A population-based study. J Affect Disord. 2020; Oct 7;279:164-172. doi: 10.1016/j.jad.2020.09.129. PubMed

Arias-de la Torre J, Vilagut G, Serrano-Blanco A, Martín V, Molina AJ, Valderas JM, Alonso J. Accuracy of self-reported items for the screening of depression in the general population. International Journal of Environmental Research and Public Health 2020; Oct 29; 17(21): 7955; PubMed

Arias-de la Torre J, Zioga EAM, Macorigh L, Muñoz L, Estrada O, Mias M, Estrada MD, Puigdomenech E, Valderas JM, Martín V, Molina AJ, Espallargues M. Differences in results and related factors between hospital-at-home modalities in Catalonia: A cross-sectional study. J Clin Med. 2020 May 13;9(5):1461. doi: 10.3390/jcm9051461. PubMed

Bowman K, Jones L, Masoli J, Mujica-Mota R, Strain D, Butchart J, Valderas JM, Fortinsky RH, Melzer D, Delgado J. Predicting incident delirium diagnoses using data from primary-care electronic health records. Age Ageing 2020; doi:10.1093/ageing/afaa006 PubMed

Campbell SM, Bell BG, Marsden K, Spencer R, Kadam U, Perryman K, Rodgers S, Litchfield I, Reeves D, Chuter A, Doos L, Ricci-Cabello I, Gill P, Esmail A, Greenfield S, Slight S, Middleton K, Barnett J, Moore M, Valderas JM, Sheikh A, Avery AJ. A patient safety toolkit for family practices. J Patient Saf 2020 Sep; 16(3):e182-e186. doi: 10.1097/PTS.0000000000000471.  PubMed

Dunkerley S, King A, Batten TJ, Evans JP, Metz J, Gallacher S, Davies KE, Smith CD, Kitson J. (2020) Pain mapping and neuropathic features of common shoulder pathologies. Hong Kong Journal of Orthopaedic Research. 3(2): 41-45 Link

Evans JP, Evans JT, Craig RS, Mohammad HR, Sayers A, Blom AW, Whitehouse MR, Rees JL. How long does a shoulder replacement last? A systematic review and meta analysis of case series and national registry reports with more than 10 years of follow-up. The Lancet Rheumatology 2020; 2(9): e539-e548. DOI:  PubMed

Leiva-Fernández F, Prados-Torres JD, Prados-Torres A … MULTIPAP group. Training primary care professionals in multimorbidity management: educational assessment of the eMULTIPAP course. Mechanisms of Ageing and Development 2020 Sep 15;192:111354. PubMed

Müller BS, Uhlmann L, Ihle P, Stock C, von Buedingen F, Beyer M, Gerlach FM, Perera R, Valderas JM, Glasziou P, van den Akker M, Muth C. Development and internal validation of prognostic models to predict negative health outcomes in older patients with multimorbidity and polypharmacy in general practice. BMJ Open. 2020 Oct 22;10(10):e039747. doi: 10.1136/bmjopen-2020-039747. PubMed

Oemrawsingh A, Swami N, Valderas JM, Hazelzet JA, Pusic AL, Gliklich RE, Bergmark RW. Patient-Reported Morbidity Instruments: A Systematic Review. Value in Health 2020; 23(6):791-811. PubMed

Rijken M, Valderas JM, Heins M, Schellevis F, Korevaar J. Identifying high-need patients with multimorbidity from their illness perceptions and personal resources to manage their health and care: a longitudinal study. BMC Family Practice 202021:75 PubMed

Tomari S, Magin P, Lasserson D, Quain D, Valderas JM, Dewey HM, Barber PA, Spratt N, Cadilhac DA, Feigin V, Rothwell PM, Zareie H, Garcia-Esperon C, Davey A, Najib N, Sales M, Levi CR. The characteristics of patients with possible transient ischemic attack and minor stroke in the Hunter and Manning valley regions, Australia (the INSIST study). Frontiers in Neurology 2020 11:383 PubMed

van Oppen JD, Valderas JM, Mackintosh NJ, Conroy SP. Patient-reported outcome and experience measures in geriatric emergency medicine. Z Gerontol Geriatr. 2020 Sep 16. doi: 10.1007/s00391-020-01777-4. Online ahead of print. PubMed

Violán C, Fernández-Bertolín S, Guisado-Clavero M, Foguet-Boreu Q, Valderas JM, Vidal Manzano J, Roso-Llorach A, Cabrera-Bean M. Five-year trajectories of multimorbidity patterns in an elderly Mediterranean population using Hidden Markov Models. Sci Rep. 2020 Oct 9;10(1):16879. doi: 10.1038/s41598-020-73231-9. PubMed 


Arias-de la Torre J, García X, Smith K, Romero-Tamarit A, Puigdomenech E, Muñoz-Ortiz L, Evans JP, Martín V, Molina AJ, Torrens C, Pons-Cabrafiga M, Pallisó F, Valderas JM, Espallargues M. Safety and effectiveness of shoulder arthroplasties in Spain: A systematic review. J Clin Med 2019;8(12):pii:E2063 doi:10.3390/jcm8122063 PubMed

Arias-de la Torre J, Pons-Cabrafiga M, Valderas JM, Evans JP, Martín V, Molina AJ, Pallisó F, Smith K, Martinez O, Espallargues M. Influence of Hospital Volume of Procedures by Year on the Risk of Revision of Total Hip and Knee Arthroplasties: A Propensity Score-Matched Cohort Study. J Clin Med 8(5). PubMed

Arias-de la Torre J, Puigdomenech E, Valderas JM, Evans JP, Martín V, Molina AJ, Rodriguez N, Espallargues M. Availability of specific tools to assess patient reported outcomes in hip arthroplasty in Spain. Identifying the best candidates to incorporate in an arthroplasty register. A systematic review and standardized assessment. PLoSOne 2019; 14(4):e0214746. PubMed

Arias-de la Torre J, Valderas JM, Evans JPMartín V, Molina AJ, Munoz L, Pons-Cabrafiga M, Espallargues M. Differences in risk of revision and mortality between total and unicompartmental knee arthroplasty. The Influence of Hospital Volume. The Journal of Arthroplasty 2019 doi: 10.1016/j.arth.2019.01.046 [published Online First: 2019/02/18] PubMed

Arana MA, Valderas JM, Solomon J. Being tested but not educated - a qualitative focus group study exploring patients' perceptions of diabetic dietary advice. BMC Fam Pract 2019;20(1): 1. PubMed

Calvert M, Kyte D, Valderas JM,  Henrik N. Maximising the impact of patient reported outcome assessment for patients and society. BMJ 2019;364:k5287 PubMed

Catalá-López F, Forés-Martos J, Driver JA, Page MJ, Hutton B, Ridao M, Alonso-Arroya A, Saint-Gerons DM, Gènova-Maleras R, Valderas JM, Vieta E, Valencia A, Tabarés-Seisdedos R. Association of anorexia nervosa with risk of cancer. A systematic review and meta-analysis. JAMA Open 2019;2(6):e195313. PubMed

Evans JP, Porter I, Gangannagaripalli JB, Bramwell C, Davey A, Smith CD, Fine N, Goodwin VA, Valderas JM. Assessing patient-centred outcomes in lateral elbow tendinopathy: a systematic review and standardised comparison of English language clinical rating systems. Sports Medicine - Open 2019;5:10 PubMed

Evans JP, Smith C, Porter I, Gangannagaripalli J, Goodwin V, Valderas J. Patient-centred outcomes in lateral elbow tendinopathy: A systematic review of available evidence in UK populations. Shoulder Elbow 2019 Dec;11(6):440-9. PubMed

Evans JT, Evans JP, Walker RW, Blom A, Whitehouse MR, Sayers A. How long does a hip replacement last? A systematic review and meta-analysis of case series and national registry reports with more than 15 years of follow-up. Lancet 2019; 393(10172): 647-654. PubMed

Evans JP, Guyver P. Surgical management of shoulder arthritis. Surgery 2019;37(5):246-52.

Evans JT, Walker RW, Evans JP, Blom A, Sayers A, Whitehouse MR. How long does a knee replacement last? A systematic review and meta-analysis of case series and national registry reports with more than 15 years of follow-up. Lancet 2019; 393(10172): 655-663. PubMed

Hjollund NHI, Valderas JM, Kyte D, Calvert MJ. Health data processes: a framework for analyzing and discussing efficient use and reuse of health data with a focus on patient-reported outcome measures. Journal of Medical Internet Research 2019;21(5) e12412. doi: 10.2196/12412. PubMed

Kluge H, Kelley E, Birtanov Y, Theodorakis PN, Barkley S, Aidossov S, Valderas JM. Implementing the renewed vision for Primary Health Care in the Declaration of Astana: the time is now. Primary Health Care Research & Development 2019; 20(e137):1-2 PubMed

Levi CR, Lasserson D, Quain D, Valderas J, Dewey HM, Barber PA, Spratt N, Cadilhac DA, Feigin V, Zareie H, Esperon CG, Davey A, Najib N, Magin P. The International comparison of Systems of care and patient outcomes In minor Stroke and TIA (InSIST) study: A community-based cohort study. Int J Stroke 2019:14(2):186-90 doi: 10.1177/1747493018799983 [published Online First: 2019/01/05] PubMed

Serrano-Ripoll MJ, Ripoll J, Llobera J, Valderas JM, Pastor-Moreno G, Olry de Labry Lima, A. Development and evaluation of an intervention based on the provision of patient feedback to improve patient safety in Spanish primary healthcare centres: study protocol. BMJ Open 2019; 9(12):e031367

Smith TO, Jimoh OF, Cross J, Allan L, Corbett A. Sadler E, Khondoker M, Whitty J, Valderas JM, Fox C. Social prescribing programmes to prevent or delay frailty in community-dwelling older adults. Geriatrics (Basel) 2019; Nov 27;4(4) PubMed

Valderas JM, Gangannagaripalli J, Nolte E, Boyd C, Roland M, Sarria-Santamera A, Jones E, Rijken M. Quality of care assessment for people with multimorbidity. Journal of Internal Medicine 2019 doi: 10.1111/joim.12881 [published Online First: 2019/02/06] PubMed

Violan C,Foguet-Boreu Q, Fernandez-Bertolin S, Guisado-Clavero M, Cabrera-Bean M, Formiga F, Valderas JM, Roso-Llorach A. Soft clustering using real world data for the identification of multimorbidity patterns in an elderly population: cross-sectional study in a Mediterranean population. BMJ Open 2019;9:e029594 doi:10.1136/bmjopen-2019-029594 PubMed


Burt J, Abel G, Elliott M, Elmore N, Newbould J, Davey A et al. The evaluation of physicians' communication skills from multiple perspectives. Ann Fam Med 2018; 16:330-7. PubMed

Campbell SM, Bell BG, Marsden K, Spencer R, Perryman K, Litchfield i, Reeves D, Chuter A, Doos L, Ricci-Cabello I, Gill P, Esmail A, Greenfield S, Slight S, Middleton K, Barnett J, Moore M, Valderas JM, Sheikh A, Avery AJ. A Patient Safety Toolkit for Family Practices. J Patient Saf 2018 Online. PubMed

Close J, Byng R, Valderas JM, Britten N, Lloyd H. Quality after the QOF? Before dismantling it, we need a redefined measure of 'quality'. Editorial. BJGP July 2018 314-5. PubMed

Coste J, Rouquette A, Valderas JM, Rose M, Lepiege A. The French PROMIS-29. Psychometric validation and population reference values. Rev Epidemiol Sante Publique 2018; Epub. PubMed

Evans JP, Smith A, Gibbons C, Alonso J, Valderas JM. The National Institutes of Health Patient-Reported Outcomes Measurement Information System (PROMIS): a view from the UK. Patient Related Outcome Measures 2018;9:345-52. Open Access

Evans JP, Smith CD, Fine NF, Porter I, Gangannagaripalli J, Goodwin VA, Valeras JM. Clinical rating systems in elbow research - a systematic review exploring trends and distributions of use. J Shoulder Elbow Surg 2018 Epub. PubMed

Evans JP, Metz J, Anaspure R, Thomas WJ, King A, Goodwin VA, Smith CD. The spread of Injectate after ultrasound-guided lateral elbow injection - a cadaveric study. J Exp Orthop 2018; 5(1): 27. PubMed

Ferguson RJ, Prieto-Alhambra D, Walker C, Yu D, Valderas JM, Judge A, Griffiths J, Jordan KP, Peat G, Glyn-Jones S, Silman AJ. Validation of hip osteoarthritis diagnosis recording in the UK Clinical Practice Research Datalink. Pharacoepidemiol Drug Saf 2018;1-7. PubMed

Fischer F, Gibbons C, Coste J, Valderas JM, Rose M, Leplege A. Measurement invariance and general population reference values of the PROMIS Profile 29 in the UK, France, and Germany. Quality of Life Research 2018;  Jan 19. doi: 10.1007/s11136-018-1785-8. [Epub ahead of print] PubMed

Gallacher S, Beazley JC, Evans J et al. A randomized controlled trial of arthroscopic capsular release versus hydrodilitation in the treatment of primary frozen shoulder. J Shoulder Elbow Surg 2018 epub.cute respiratory tract infections in primary care: an updated and expanded meta-ethnography. BJGP Online First 2018 PubMed

Germeni E, Frost J, Garside R, Rogers M, Valderas JM, Britten N. Antibiotic prescribing for acute respiratory tract infections in primary care: an updated and expanded meta-ethnography. Br J Gen Pract 2018;68(674) Pubmed

Greenhalgh J, Gooding K, Gibbons E, Dalkin S, Wright J, Valderas J, Black N. How do patient reported outcome measures (PROMs) support clinician-patient communication and patient care? A realist synthesis. Journal of Patient-Reported Outcomes 2018 Online. PubMed

Griffiths RI, McFadden EC, Stevens RJ, Valderas JM, Lavery BA, Khan NF, Keating NL, Bankhead CR. Quality of diabetes care in breast colorectal, and prostate cancer. Journal of Cancer Survivorship 2018; 6 October. PubMed

King A, Evans JP,  Booker, SJ, Beazley JCS, Jones RJS, Thomas WJC, Smith C. Does the triceps-on approach affect alignment in total elbow arthrosplasty? A cadaveric study. Shoulder & Elbow 2018 epub. PubMed

Kluge H, Kelley E, Theodorakis PN, Barkley S, Valderas JM. Forty years on from Alma Ata: present and future of Primary Health Care Research. Pr8mary CHealth Care Research & Development 2018; 19:421-3. PubMed

Kluge H, Kelley E, Barkley S, Theodorakis PN, Yamamoto N, Tsoy A, Aiypkhanova A, Ganesh V, Hipgrave DB, Peterson SS, Valderas JM, Mossialos E. How pirmary health care can make universal health coverage a reality, ensure healthy lives, and promote wellbeing for all. Lancet. 2018 Oct 20;392(10156):1372-1374 PubMed

Lloyd H, Wheat H, Horrell J, Sugavanam T, Fosh B, Valderas JM, Close J. Patient-Reported Measures for Person-Centered Coordinated Care: A Comparative Domain Map and Web-Based Compendium for Supporting Policy Development and Implementation. J Med Internet Res 2018; 20(2): e54. PubMed

Mounce LTA, Campbell JL, Henley WE,Tejerina Arreal MC, Porter I, Valderas JM. Predicting incident multimorbidity. Ann Fam Pract 2018; 216(4):322-9. PubMed

Muth C, Blom JW, Smith SM, Johnell K, Gonzalez-Gonzalez AI, Nguyen TS, Bureckle M-S, Cesari M, Tinetti ME, Valderas JM. Evidence supporting the best clinical management of patients with multimorbidity and polypharmacy: a systematic guideline review and expert consensus. Journal of Internal Medicine 2018; Online. PubMed

Muth C, Uhlmann L, Haefeli WE, Rochon J, van den Akker M, Perera R, Guthlin C, Beyer M, Oswald F, Valderas JM, Knotterus JA, Gerlach FM, Harder S. Effectiveness of a complex intervention on Prioritising Multimedication in Multimorbidity (PRIMUM) in primary care: results of a pragmatic cluster randomised controlled trial. BMJ Open 2018; 8(2):e017740 PubMed

Palmer K, Marengoni A, Forjaz MJ, Jureviciene E, Laatikainen T, Mammarella F, Muth C, Navickas R, Prados-Torres A, Rijken M, Rothe U, Souchet L, Valderas J, Vontetsianos T, Zaletel J, Onder G on behalf of the Joint Action on Chronic Diseases and Promoting Healthy Ageing Across the Life Cycle (JA-CHRODIS). Multimorbidity care model: Recommendations from the consensus meeting of the Joint Action on Chronic Diseases and Promoting Healthy Ageing across the Life Cycle (JA-CHRODIS) Health Policy 2018; 122:4-11 PubMed

Quinn C, Denman K, Smithson P, Sheaff R, Campbell J, Porter I, Anison J, Byng R. General practitioner contributions to achieving sustained healthcare for offenders: a qualitative study. BMC Fam Pract 2018; 19(1): 22. PubMed

Ricci-Cabello I, Stevens S, Dalton ARH, Griffiths RI, Campbell JL, Valderas JM. Identifying primary care pathways from quality of care to outcomes and satisfaction using structural equation modeling. Health Services Research 2018; 53(1):430-49. PubMed

Richards SH, Dickens C, Anderson R, Richards DA, Taylor RS, Ukoumunne OC, Turner KM, Gandhi M, Kuyken W, Gibson A, Davey A, Warren F, Winder R, Campbell J. Assessing the effectiveness of Enhanced Psychological Care for patients with depressive symptoms attending cardiac rehabilitation compared with treatment as usual (CADENCE): a pilot cluster randomised controlled trial. Trials 2018 19(1): 211. PubMed

Roso-Llorach A, Violan C, Foguet-Boreu Q, Rodriguez-Blanco T, Pons-Vigues M, Pujol-Ribera E, Valderas JM. Comparative analysis of methods for identifying multimorbidity patterns: a study of 'real-world' data. BMJ Open 2018; 8(3): e018986. BMJOpen

Sheaff R, Brand SL, Lloyd H, Wanner A, Fornasiero M, Briscoe S, Valderas JM, Byng R, Pearson M. From programme theory to logic models for multispecialty community providers: a realist evidence synthesis. Health Serv Deliv Res 2018;6(24) PubMed

Violan C, Roso-Llorach A, Foguet-Boreu Q, Guidado-Clavero M, Pons-Vigues M, Pujol-Ribera E, Valderas JM. Multimorbidity patterns with K-means nonhierarchical cluster analysis. BMC Family Practice 2018; 19:108. PubMed

Wheat H, Horrell J, Valderas JM, Close J, Fosh B, Lloyd H. Can practitoners use patient reported measures to enhance person centred coordinated care in practice? A qualitative study. Health and Quality of Life Outcomes 2018; 16:223. PubMed

Williams HLM, Evans JP, Furness ND, Smith CD. It's not all about redislocation: A systematic review of complications after anterior shoulder stabilization surgery. Am J Sports Med 2018;10:0363546518810711. PubMed


Catalá-López F, Hutton B, Driver JA, Page MJ, Ridao M, Valderas JM, Alonso-Arroyo AForés-Martos J, Martínez S, Gènova-Maleras R, Macías-Saint-Gerons D, Crespo-Facorro B, Vieta E, Valencia A, Tabarés-Seisdedos R. Cancer and central nervous system disorders: protocol for an umbrella review of systematic reviews and updated meta-analyses of observational studies. Systematic Reviews 2017; 6:69. Open Access

Catalá-López F, Hutton B, Driver JA, Ridao M, Valderas JM, Genova-Maleras R, Fores-Martos J, Alonso-Arroyo A, Saint-Gerons DM, Vieta E, Valencia A, Tabares-Seisdedos R. Anorexia nervosa and cancer: a protocol for a systematic review and meta-analysis of observational studies. Syst Rev 2017; 6(1):137. PubMed

Close J, Valderas JM,  Byng R, Britten N, Lloyd H. Adapting QOF to focus on wellbeing and health. Letter. BMJ 2017; 359:j5541. PubMed

Foguet-Boreu, Q. Violan C, Jimenez TL, Pons-Vigues M, Rodriguez-Blanco T, Valderas JM, Clavero MG, Pujol-Ribera E. Pharmacological control of diabetes and hypertension comorbidity in the elderly: a study of "real world" data. Primary Care Diabetes 2017. doi: 10.1016/j.pcd.2017.03.007. [Epub ahead of print] PubMed

Gibbons C, Richards S, Valderas JM, Campbell J. Supervised machine learning algorithms can classify open-text feedback of doctor performance with human-level accuracy. J Clin Med Internet Res  2017; 19(3):e65; doi 10.2196/jmir.6533 PubMed

Greenhalgh J, Dalkin S, Gibbons E, Wright J, Valderas JM, Meads D, Black N. How do aggregated patient-reported outcome measures data stimulate health care improvement? A realist synthesis. Journal of Health Services Research & Policy 2017 Link

Greenhalgh J, Dalkin S, Gooding K, Gibbons E, Wright J, Meads D, Black N, Valderas JM, Pawson R. Functionality and feedback: a realist synthesis of the collation, interpretation and utilisation of patient-reported outcome measures data to improve patient care. Health Services & Delivery Research 2017. PubMed

Griffiths RI,  Valderas JM, McFadden EC, Bankhead CR, Lavery BA, Khan NF, Stevens RJ, Keating NL. Outcomes of preexisting diabetes mellitus in breast, colorectal and prostate cancer. J Cancer Surviv 2017; 21 July online PubMed

Lloyd HM, Pearson M, Sheaff R, Asthana S, Wheat H, Sugavanam TP, Britten N, Valderas J et al. Collaborative action for person-centred coordinated care (P3C): an approach to support the development of a comprehensive system-wide solution to fragmented care. Health Res Policy Syst 2017;15(1): 98. PubMed

Mounce LTA, Price S, Valderas JM, Hamilton W. Comorbid conditions delay diagnosis of colorectal cancer: a cohort study using electronic primary care records. Br J Cancer 2017;116(12):1536-43. doi: 10.1038/bjc.2017.127 [published Online First: 2017/05/12] PubMed

Ricci-Cabello I, Marsden KS, Avery AJ, bell BG, Kadam UT, Reeves D, Slight SP, Perryman K, Barnett J, Litchfield I, Thomas S, Campbell SM, Doos L, Esmail A, Valderas JM. Patients' evaluations of patient safety in English general practices: a cross-sectional study. Br J Gen Pract 2017 doi: 10.3399/bjgp17X691085 [published Online First: 2017/06/07] PubMed

Ricci-Cabello I, Reeves D, Bell B, Valderas JM. Identifying patient and practice characteristics associated with patient-reported experiences of safety problems and harm: a cross-sectional study using a multilevel modelling approach. BMJ Quality & Safety Online  7 August 2017 PubMed

Ricci-Cabello I, Saletti-Cuesta L, Slight SP, Valderas JM. Identifying patient-centred recommendations for improving patient safety in General Practices in England: a qualitative content analysis of free-text responses using the Patient Reported Experiences and Outcomes of Safety in Primary Care (PREOS-PC) questionnaire. Health Expectations: an international journal of public participation in health care and health policy 2017 doi: 10.1111/hex.12537 [published Online First] PubMed

Ricci-Cabello I, Stevens S, Dalton ARH, Griffiths RI, Campbell JL, Valderas JM. Identifying primary care pathways from quality of care to outcomes and satisfaction using structural equation modeling. Health Services Research 2017. DOI 10.1111/1475-6773, 12666. PubMed

Sweet D, Byng R, Webber M, Enki DG, Porter I, Larsen J, Huxley P, Pinfold V. Personal well-being networks, social capital and severe mental illness: exploratory study. British Journal of Psychiatry 2017; doi:10.1192/bjp.bp.117.203950 PubMed


Black N, Burke L, Forrest CB, Ravens Sieberer UH, Ahmed S, Valderas JM, Bartless SJ, Alonso J. Patient-reported outcomes: pathways to better health, better services and better societies. Qual Life Res 2016;25(5):1103-12 PubMed

Davey AF, Roberts MJ, Mounce L, Maramba I, Campbell JL. Test-retest stability of patient experience items derived from the national GP patient survey. Springerplus. 2016 7;5(1):1755. eCollection 2016. PubMed

Gibbons C, Bower P, Lovell K, Valderas J, Skevington S. Electronic Quality of Life Assessment using computer-adaptive testing. J Med Internet Res 2016; 18(9):e240. PubMed

Kontopantelis E, Springate DA, Ashcroft DM, Valderas JM et al. Associations between exemption and survival outcomes in the UK's primary care pay-for-performance programme: a retrospective cohort study. BMJ Qual Saf 2016;25(9):657-70 PubMed

Muth C, Harder S, Uhlmann L, Rochron J, Fullerton B, Guthlin C, Erler A, Beyer M, van den Akker M, Perera R, Knottnenus A, Valderas JM, Gerlach FM, Haefeli WE. Pilot study to test the feasibility of a trial design and complex intervention on PRIoritising MUltimedication in Multimorbidity in general practices (PRIMUMpilot). BMJ Open 2016;6(7):e011613. Publication

Porter I, Gonçalves-Bradley D, Ricci-Cabello I, Gibbons C, Gangannagaripalli J, Fitzpatrick R, Black N, Greenhalgh J, Valderas JM. Framework and guidance for implementing patient-reported outcomes in clinical practice: evidence, challenges and opportunities. Journal of Comparative Effectiveness Research 2016;5(5):507-19. PubMed

Ricci-Cabello I, Avery AJ, Reeves D, Kadam UT, Valderas JM. Measuring patient safety in primary care: the development and validation of the “Patient Reported Experiences and Outcomes of Safety in Primary Care” (PREOS-PC). The Annals of Family Medicine 2016;14(3):253-61. Publication

Ricci-Cabello I, Pons-Vigues M, Berenguera A, Pujol-Ribera E, Slight SP, Valderas JM. Patients' perceptions and experiences of patient safety in primary care in England. Family Practice 2016;33(5):535-42  PubMed

Stevens S, Valderas JM, Doran T, Perera R, Kontopantelis E. Analysing indicators of performance, satisfaction, or safety using empirical logit transformation. BMJ 2016;352:i1114 doi:101136/bmj.i1114 PubMed

Violán C, Foguet-Boreu Q, Roso-Llorach A, Rodriguez-Blanco T, Pons-Vigués M, Pujol-Ribera E, Valderas JM. [Multimorbidity patterns in young adults in Catalonia: an analysis of clusters] Aten Primaria 2016;48(7):479-92 PubMed


Ble A, Masoli JAH, Barry HE, Winder, RE, Tavakoly, B, Henley WE, Kuchel GA, Valderas JM, Melzer D, Richards SH. Any versus long-term prescribing of high risk medications in older people using 2012 Beers Criteria: results from three cross-sectional samples of primary care records for 2003/4, 2007/8 and 2011/12. BMC Geriatrics 2015;15:146 doi 10.1186/s12877-015-0143-8

Esmail A, Valderas JM, Verstappen W, et al. Developing a research agenda for patient safety in primary care. Background, aims and output of the LINNEAUS collaboration on patient safety in primary care. Eur J Gen Pract 2015;21 Suppl:3-7. PubMed

Foguet-Boreu Q, Violan C, Rodríguez-Blanco T, Roso-Llorach A, Pons-Vigués M, Pujol-Ribera E, Valderas JM. Multimorbidity patterns in elderly primary health care patients in a South Mediterranean European Region: A cluster analysis. PLoS One 2015 Nov 2;10(11):e0141155. doi: 10.1371/journal.pone.0141155 PubMed

Goncalves BDC, Gibbons C, Ricci-Cabello I, Bobrovits NJH, Gibbons EJ, Kotzeva A, Alonso J, Fitzpatrick R, Bower P, van der Wees PJ, Rajmil L, Roberts NW, Taylor RSGreenhalgh J, Porter I, Valderas JM.  Routine provision of information on patient-reported outcome measures to healthcare providers and patients in clinical practice (Protocol). Cochrane Database of Systematic Reviews 2015, Issue 4. Art. No.: CD011589. DOI: 10.1002/14651858.CD011589.

Islam MM, McRae IS, Yen L, Jowsey T, Valderas JM. Time spent on health-related activities by senior Asutralians with chronic diseases: what is the role of multimorbidity and coorbidity? Aust NZ J Public Health 2015; Online doi 10.1111/1753-6405.12355 PubMed

Klemp K, Dovey S, Valderas JM, et al. Developing a patient safety incident classification system for primary care. A literature review and Delphi-survey by the LINNEAUS collaboration on patient safety in primary care. Eur J Gen Pract 2015;21 Suppl:35-8. PubMed

LeReste JY, Nabbe P, Lingner H, Kasuba Lazic DK, Assenova R, Munoz M, Sowinska A, Lygidakis C, Doerr C, Csachowski S, Argyriadou S, Valderas J, et al. What research agenda could be genearted fromt he European General Practice Research Network concept of multmorbidity in family practice? BMC Fam Pract 2015; 16:125 PubMed

Magin P, Dunbabin J, Goode S, Valderas JM, Levi C, D'Souza M, Marshall M, Barker D, Lasserson D. Patients' responses to transient ischaemic attack symptoms: a cross-sectional questionnaire study in Australian general practices. Br J Gen Pract January 2015; 65(630):e24-31. doi:10.3399/bjgp15X683125 PubMed

Parker D, Wensing M, Esmail A, Valderas JM. Measurement tools and process indicators of patient safety culture in primary care. A mixed methods study by the LINNEAUS collaboration on patient safety in primary care. Eur J Gen Pract 2015;21 Suppl:26-30. PubMed

Ricci-Cabello I, Stevens S, Kontopantelis E, Dalton RH, Griffiths RI, Campbell JL, Doran T, Valderas JM. Impact of the prevalence of concordant and discordant conditions on the quality of diabetes care in family practices in England. Ann Fam Med 2015;13:514-522. PubMed

Ricci-Cabello I, Violán C, Foguet Q, Valderas JM. Impact of multi-morbidity on quality of healthcare and its implications for health policy. A scoping review. Eur J Gen Pract 2015;21(3):192-202 Pubmed

Trier H, Valderas JM, Wensing M, et al. Involving patients in patient safety programmes: A scoping review and consensus procedure by the LINNEAUS collaboration on patient safety in primary care. Eur J Gen Pract 2015;21 Suppl:56-61. PubMed

Valderas JM. Multimorbidity, not a health condition or complexity by another name. Editorial. Eur J Gen Pract 2015;21(4):213-4. PubMed

Verstappen W, Gaal S, Bowie P, Parker D, Lainer M, Valderas JM, Wensing M, Esmail E. A research agenda on patient safety in primary care. Recommendations by the LINNEAUS collaboration on patient safety in primary care. Eur J Gen Pract 2015;21 Suppl:72-7. PubMed


Catalá-López F, Crespo-Facorro B, Vieta E, Valderas JM, Valencia A, Tabarés-Seisdedos R. Alzheimer's disease and cancer: current epidemiological evidence for a mutual protection. Neuroepidemiology. 2014;42(2):121-2. doi: 10.1159/000355899. Epub 2014 Jan 3. PubMed

Catalá-López F, Suárez-Pinilla M, Suárez-Pinilla P, Valderas JM, Gómez-Beneyto M, Martinez S, Balanzá-Martínez V, Climent J, Valencia A, McGrath J, Crespo-Facorro B, Sanchez-Moreno J, Vieta E, Tabarés-Seisdedos R. Inverse and direct cancer comorbidity in people with central nervous system disorders: a meta-analysis of cancer incidence in 577,013 participants of 50 observational studies. Psychother Psychosom. 2014;83(2):89-105. doi: 10.1159/000356498. Epub 2014 Jan 22. PubMed

Foguet-Boreu Q, Violan C, Roso-Llorach A, Rodriguez-Blanco T, Pons-Vigués M, Muñoz-Pérez MA, Pujol-Ribera E, Valderas JM. Impact of multimorbidity: acute morbidity, area of residency and use of health services across the life span in a region of south Europe. BMC Fam Pract. 2014 Mar 26;15:55. doi: 10.1186/1471-2296-15-55. PubMed

Greenhalgh J, Pawson, Wright J, Black N, Valderas JM, Meads D, Gibbons E, Wood L, Wood C, Mills C, Dalkin S. Functionality and feedback: a protocol for a realist synthesis of the colaltion, interpretation and utilisation of PROMs data to improve patient care. BMJ Open 2014;4:e005601 doi:10.1136/bmjopen-2014-005601  PubMed

Griffiths RI, Lindquist KJ, O'Malley CD, Gleeson ML, Duryea JL, Valderas JM, Danese MD. Undiagnosed diabetes in breast, colorectal, lung, and prostate cancer: incidence and risk factors. ISRN Oncol. 2014 Mar 4;2014:607850. doi: 10.1155/2014/607850. eCollection 2014. PubMed

Griffiths RI, Gleeson ML, Valderas JM, Danese MD. Impact of undetected comorbidity on treatment and outcomes of breast cancer. Int J Breast Cancer. 2014;2014:970780. doi: 10.1155/2014/970780. Epub 2014 Feb 13. PubMed

Kontopantelis E, Springate D, Reeves D, Ashcroft DM, Valderas JM, Doran T. Withdrawing performance indicators: retrospective analysis of general practice performance under UK Quality and Outcomes Framework. BMJ. 2014 Jan 27;348:g330. doi: 10.1136/bmj.g330. PubMed

Islam MM, Valderas JM, Yen L, Dawda P, Jowsey T, McRae IS. Multimorbidity and comorbidity of chronic diseases among the senior Australians: prevalence and patterns. PLoS One. 2014 Jan 8;9(1):e83783. doi: 10.1371/journal.pone.0083783. eCollection 2014. PubMed

Islam MM, Yen L, Valderas JM, McRae IS. Out-of-pocket expenditure by Australian seniors with chronic disease: the effect of specific diseases and morbidity clusters. BMC Public Health 2014;14:1008. Open Access

Mavaddat N, Valderas JM, van der Linde R, Khaw KT, Kinmonth AL. Association of self-rated health with multimorbidity, chronic disease and psychosocial factors in a large middle-aged and older cohort from general practice: a cross-sectional study. BMC Fam Pract 2014; Nov 25;15(1):185. doi: 10.1186/s12875-014-0185-6; PubMed

Mounce LTA, Steel N, Hardcastle AC, Henley WE, Bachmann MO, Campbell JL, Clark A, Melzer D, Richards SH. Patient characteristics predicting failure to receive indicated care for type 2 diabetes. Diabetes Research & Clinical Practice 2014 Dec 3. pii: S0168-8227(14)00527-0. doi: 10.1016/j.diabres.2014.11.009. [Epub ahead of print] PubMed

Muth C, Beyer M, Fortin M, Rochon J, Oswald F, Valderas JM, Harder S, Glynn LG, Perera R, Freitag M, Kaspar R, Gensichen J, van den Akker M. Multimorbidity's research challenges and priorities from a clinical perspective: The case of 'Mr Curran'. Eur J Gen Pract. 2014 Jun;20(2):139-47. doi: 10.3109/13814788.2013.839651. Epub 2013 Oct 25. PubMed PMID: 24160250.

O'Neill B, Goncalves D, Ricci-Cabello I, Ziebland S, Valderas J. An overview of self-administered health literacy insturments. PLosONE 9(12):e109110 doi:10.1371/journal.pone.0109110. 5 December 2014. Open Access

Ricci-Cabello I, Goncalves DC, Rojas-Garcia A, Valderas JM. Measuring experiences and outcomes of patient safety in primary care: a systematic review of available instruments. Fam Pract 2015;32(1):106-109 PubMed

Schmidt S, Ferrer M, González M, González N, Valderas JM, Alonso J, Escobar A, Vrotsou K; EMPRO Group. Evaluation of shoulder-specific patient-reported outcome measures: a systematic and standardized comparison of available evidence. J Shoulder Elbow Surg. 2014 Mar;23(3):434-44. doi: 10.1016/j.jse.2013.09.029. Epub 2014 Jan 7. PubMed

Schmidt S, Garin O, Pardo Y, Valderas JM, Alonso J, Rebollo P, Rajmil L, Garcia-Forero C, Ferrer M, and the EMPRO Group. Assessing quality of life in patients with prostate cancer: a systematic and standardized comparison of available instruments. Quality of Life Research 2014 Epub PubMed

Schmidt S, Garin O, Pardo Y, Valderas JM, Alonso J, Rebollo P, Rajmil L, Garcia-Forero C, Ferrer M; the EMPRO Group. Assessing quality of life in patients with prostate cancer: a systematic and standardized comparison of available instruments. Qual Life Res. 2014 Apr 19. [Epub ahead of print] PubMed

Steel N, Hardcastle AC, Backmann MO, Richards SH, Mounce LT, Clark A, Lang I, Melzer D, Campbell J. Economic inequalities in burden of illness, diagnosis and treatment of five long-term conditions in England: panel study. BMJ Open. 2014 Oct 24;4(10):e005530. doi: 10.1136/bmjopen-2014-005530. Pub Med

Steel N, Hardcastle AC, Clark A, Mounce LT, Bachmann MO, Richards SH, Henley WE, Campbell JL, Melzer D. Self-reported quality of care for older adults from 2004 to 2011: a cohort study. Age Ageing. 2014 Sep;43(5):716-20. doi: 10.1093/ageing/afu091. Epub 2014 Jul 11. PubMed

Violán C, Foguet-Boreu Q, Flores-Mateo G, Salisbury C, Blom J, Freitag M, Glynn L, Muth C, Valderas JM. Prevalence, determinants and patterns of multimorbidity in primary care: a systematic review of observational studies. PLoS One. 2014 Jul 21;9(7):e102149. doi: 10.1371/journal.pone.0102149. eCollection 2014. PubMed

Violán C, Foguet-Boreu Q, Roso-Llorach A, Rodriguez-Blanco T, Pons-Vigués M, Pujol-Ribera E, Muñoz-Pérez MA, Valderas JM. Burden of multimorbidity, socioeconomic status and use of health services across stages of life in urban areas: a cross-sectional study. BMC Public Health. 2014 May 29;14:530. doi: 10.1186/1471-2458-14-530. PubMed



Alonso J, Bartlett SJ, Rose M, Aaronson NK, Chaplin JE, Efficace F, Leplège A, Lu A, Tulsky DS, Raat H, Ravens-Sieberer U, Revicki D, Terwee CB, Valderas JM, Cella D, Forrest CB; PROMIS International Group. The case for an international patient-reported outcomes measurement information system (PROMIS®) initiative. Health Qual Life Outcomes. 2013 Dec 20;11:210. doi: 10.1186/1477-7525-11-210. PubMed

Castellvi P, Ferrer M, Alonso J; en nombre del Comité Científico de BiblioPRO. [The patient-reported outcomes in research: definition, impact, classification, measurement and assessment]. Med Clin (Barc). 2013 Oct 19;141(8):358-65. doi: 10.1016/j.medcli.2013.07.013. Epub 2013 Sep 20. Spanish. PubMed

Garin O, Herdman M, Vilagut G, Ferrer M, Ribera A, Rajmil L, Valderas JM, Guillemin F, Revicki D, Alonso J. Assessing health-related quality of life in patients with heart failure: a systematic, standardized comparison of available measures. Heart Fail Rev. 2014 May;19(3):359-67. doi: 10.1007/s10741-013-9394-7. PubMed

Jowsey T, McRae IS, Valderas JM, Dugdale P, Phillips R, Bunton R, Gillespie J, Banfield M, Jones L, Kljakovic M, Yen L. Time's up. descriptive epidemiology of multi-morbidity and time spent on health related activity by older Australians: a time use survey. PLoS One. 2013;8(4):e59379. doi: 10.1371/journal.pone.0059379. Epub 2013 Apr 1. PubMed

Valderas JM. Getting impatient about person-centred health care. Eur J Gen Pract. 2013 Sep;19(3):141-2. doi: 10.3109/13814788.2013.823601. PubMed

Villalonga-Olives E, Forero CG, Maydeu-Olivares A, Almansa J, Palacio Vieira JA, Valderas JM, Ferrer M, Rajmil L, Alonso J. Environmental risk and protective factors of adolescents' and youths' mental health: differences between parents' appraisal and self-reports. Qual Life Res. 2013 Apr;22(3):613-22. doi: 10.1007/s11136-012-0167-x. Epub 2012 Apr 7. Erratum in: Qual Life Res. 2013 Apr;22(3):623. PubMed

Violán C, Foguet-Boreu Q, Hermosilla-Pérez E, Valderas JM, Bolíbar B, Fàbregas-Escurriola M, Brugulat-Guiteras P, Muñoz-Pérez MÁ. Comparison of the information provided by electronic health records data and a population health survey to estimate prevalence of selected health conditions and multimorbidity. BMC Public Health. 2013 Mar 21;13:251. doi: 10.1186/1471-2458-13-251. PubMed


Doran T, Kontopantelis E, Fullwood C, Lester H, Valderas JM, Campbell S. Exempting dissenting patients from pay for performance schemes: retrospective analysis of exception reporting in the UK Quality and Outcomes Framework. BMJ. 2012 Apr 17;344:e2405. doi: 10.1136/bmj.e2405. PubMed

Griffiths RI, Danese MD, Gleeson ML, Valderas JM. Epidemiology and outcomes of previously undiagnosed diabetes in older women with breast cancer: an observational cohort study based on SEER-Medicare. BMC Cancer. 2012 Dec 22;12:613. doi: 10.1186/1471-2407-12-613. PubMed

Huntley AL, Johnson R, Purdy S, Valderas JM, Salisbury C. Measures of multimorbidity and morbidity burden for use in primary care and community settings: a systematic review and guide. Ann Fam Med. 2012 Mar-Apr;10(2):134-41. doi: 10.1370/afm.1363. Review. PubMed

Kontopantelis E, Reeves D, Valderas JM, Campbell S, Doran T. Recorded quality of primary care for patients with diabetes in England before and after the introduction of a financial incentive scheme: a longitudinal observational study. BMJ Qual Saf. 2013 Jan;22(1):53-64. doi: 10.1136/bmjqs-2012-001033. Epub 2012 Aug 22. PubMed

Palacio-Vieira JA, Villalonga-Olives E, Valderas JM, Herdman M, Alonso J, Rajmil L. Predictors of the use of healthcare services in children and adolescents in Spain. Int J Public Health. 2013 Apr;58(2):207-15. doi: 10.1007/s00038-012-0360-2. Epub 2012 May 3. PubMed

Valderas JM, Fitzpatrick R, Roland M. Using health status to measure NHS performance: another step into the dark for the health reform in England. BMJ Qual Saf. 2012 Apr;21(4):352-3. doi: 10.1136/bmjqs-2011-000184. Epub 2011 Sep 21. PubMed


Almansa J, Ayuso-Mateos JL, Garin O, Chatterji S, Kostanjsek N, Alonso J, Valderas JM, Cieza A, Raggi A, Svestkova O, Burger H, Racca V, Vieta E, Leonardi M, Ferrer M; MHADIE Consortium. The International Classification of Functioning, Disability and Health: development of capacity and performance scales. J Clin Epidemiol. 2011 Dec;64(12):1400-11. doi: 10.1016/j.jclinepi.2011.03.005. Epub 2011 Jun 12. PubMed

Bower P, Macdonald W, Harkness E, Gask L, Kendrick T, Valderas JM, Dickens C, Blakeman T, Sibbald B. Multimorbidity, service organization and clinical decision making in primary care: a qualitative study. Fam Pract. 2011 Oct;28(5):579-87. doi: 10.1093/fampra/cmr018. Epub 2011 May 25. PubMed

Doran T, Kontopantelis E, Valderas JM, Campbell S, Roland M, Salisbury C, Reeves D. Effect of financial incentives on incentivised and non-incentivised clinical activities: longitudinal analysis of data from the UK Quality and Outcomes Framework. BMJ. 2011 Jun 28;342:d3590. doi: 10.1136/bmj.d3590. Erratum in: BMJ. 2013;347:f5939. PubMed

Glynn LG, Valderas JM, Healy P, Burke E, Newell J, Gillespie P, Murphy AW. The prevalence of multimorbidity in primary care and its effect on health care utilization and cost. Fam Pract. 2011 Oct;28(5):516-23. doi: 10.1093/fampra/cmr013. Epub 2011 Mar 24. PubMed

Salisbury C, Johnson L, Purdy S, Valderas JM, Montgomery AA. Epidemiology and impact of multimorbidity in primary care: a retrospective cohort study. Br J Gen Pract. 2011 Jan;61(582):e12-21. doi: 10.3399/bjgp11X548929. PubMed

Tabarés-Seisdedos R, Dumont N, Baudot A, Valderas JM, Climent J, Valencia A, Crespo-Facorro B, Vieta E, Gómez-Beneyto M, Martínez S, Rubenstein JL. No paradox, no progress: inverse cancer comorbidity in people with other complex diseases. Lancet Oncol. 2011 Jun;12(6):604-8. doi: 10.1016/S1470-2045(11)70041-9. Epub 2011 Apr 15. Review. PubMed

Villalonga-Olives E, Forero CG, Erhart M, Palacio-Vieira JA, Valderas JM, Herdman M, Ferrer M, Rajmil L, Ravens-Sieberer U, Alonso J. Relationship between life events and psychosomatic complaints during adolescence/youth: a structural equation model approach. J Adolesc Health. 2011 Aug;49(2):199-205. doi: 10.1016/j.jadohealth.2010.11.260. Epub 2011 Feb 11. PubMed


Campbell SM, Kontopantelis E, Reeves D, Valderas JM, Gaehl E, Small N, Roland MO. Changes in patient experiences of primary care during health service reforms in England between 2003 and 2007. Ann Fam Med. 2010 Nov-Dec;8(6):499-506. doi: 10.1370/afm.1145. PubMed

Garin O, Ayuso-Mateos JL, Almansa J, Nieto M, Chatterji S, Vilagut G, Alonso J, Cieza A, Svetskova O, Burger H, Racca V, Francescutti C, Vieta E, Kostanjsek N, Raggi A, Leonardi M, Ferrer M; MHADIE consortium. Validation of the "World Health Organization Disability Assessment Schedule, WHODAS-2" in patients with chronic diseases. Health Qual Life Outcomes. 2010 May 19;8:51. doi: 10.1186/1477-7525-8-51. PubMed PMID: 20482853; PubMed Central PMCID: PMC2893517.

Palacio-Vieira JA, Villalonga-Olives E, Alonso J, Valderas JM, Herdman M, Espallargues M, Berra S, Rajmil L. Brief report: The KIDSCREEN follow-up study on Health-related Quality of Life (HRQoL) in Spanish children and adolescents. Pilot test and representativeness. J Adolesc. 2010 Feb;33(1):227-31. doi: 10.1016/j.adolescence.2009.07.008. Epub 2009 Aug 4. PubMed

Reeves D, Doran T, Valderas JM, Kontopantelis E, Trueman P, Sutton M, Campbell S, Lester H. How to identify when a performance indicator has run its course. BMJ. 2010 Apr 6;340:c1717. doi: 10.1136/bmj.c1717. PubMed

Villalonga-Olives E, Rojas-Farreras S, Vilagut G, Palacio-Vieira JA, Valderas JM, Herdman M, Ferrer M, Rajmil L, Alonso J. Impact of recent life events on the health related quality of life of adolescents and youths: the role of gender and life events typologies in a follow-up study. Health Qual Life Outcomes. 2010 Jul 19;8:71. doi: 10.1186/1477-7525-8-71. PubMed


Rajmil L, Palacio-Vieira JA, Herdman M, López-Aguilà S, Villalonga-Olives E, Valderas JM, Espallargues M, Alonso J. Effect on health-related quality of life of changes in mental health in children and adolescents. Health Qual Life Outcomes. 2009 Dec 23;7:103. doi: 10.1186/1477-7525-7-103. PubMed

Valderas JM, Starfield B, Forrest CB, Rajmil L, Roland M, Sibbald B. Routine care provided by specialists to children and adolescents in the United States (2002-2006). BMC Health Serv Res. 2009 Dec 4;9:221. doi: 10.1186/1472-6963-9-221. PubMed

Valderas JM, Starfield B, Forrest CB, Sibbald B, Roland M. Ambulatory care provided by office-based specialists in the United States. Ann Fam Med. 2009 Mar-Apr;7(2):104-11. doi: 10.1370/afm.949. PubMed

Valderas JM, Starfield B, Sibbald B, Salisbury C, Roland M. Defining comorbidity: implications for understanding health and health services. Ann Fam Med. 2009 Jul-Aug;7(4):357-63. doi: 10.1370/afm.983. Review. PubMed

Valderas JM. [Identifying studies in Spanish population in PubMed]. Gac Sanit. 2009 Jan-Feb;23(1):82. doi: 10.1016/j.gaceta.2008.07.006. Epub 2009 Jan 9. Spanish. PubMed


Palacio-Vieira JA, Villalonga-Olives E, Valderas JM, Espallargues M, Herdman M, Berra S, Alonso J, Rajmil L. Changes in health-related quality of life (HRQoL) in a population-based sample of children and adolescents after 3 years of follow-up. Qual Life Res. 2008 Dec;17(10):1207-15. doi: 10.1007/s11136-008-9405-7. Epub 2008 Oct 18. PubMed

Valderas JM. Treatment intensification does not always lead to better quality of care in patients with hypertension. Ann Intern Med. 2008 Sep 2;149(5):362; author reply 362-3. PubMed

Valderas JM, Alonso J. Patient reported outcome measures: a model-based classification system for research and clinical practice. Qual Life Res. 2008 Nov;17(9):1125-35. doi: 10.1007/s11136-008-9396-4. Epub 2008 Oct 3. PubMed

Valderas JM, Alonso J, Guyatt GH. Measuring patient-reported outcomes: moving from clinical trials into clinical practice. Med J Aust. 2008 Jul 21;189(2):93-4. PubMed

Valderas JM, Ferrer M, Mendívil J, Garin O, Rajmil L, Herdman M, Alonso J; Scientific Committee on "Patient-Reported Outcomes" of the IRYSS Network. Development of EMPRO: a tool for the standardized assessment of patient-reported outcome measures. Value Health. 2008 Jul-Aug;11(4):700-8. doi: 10.1111/j.1524-4733.2007.00309.x. Epub 2008 Jan 8. PubMed

Valderas JM, Kotzeva A, Espallargues M, Guyatt G, Ferrans CE, Halyard MY, Revicki DA, Symonds T, Parada A, Alonso J. The impact of measuring patient-reported outcomes in clinical practice: a systematic review of the literature. Qual Life Res. 2008 Mar;17(2):179-93. doi: 10.1007/s11136-007-9295-0. Epub 2008 Jan 4. Review. PubMed PMI

Vilagut G, Valderas JM, Ferrer M, Garin O, López-García E, Alonso J. [Interpretation of SF-36 and SF-12 questionnaires in Spain: physical and mental components]. Med Clin (Barc). 2008 May 24;130(19):726-35. Spanish. PubMed

Villalonga-Olives E, Valderas JM, Palacio-Vieira JA, Herdman M, Rajmil L, Alonso J. The adaptation into Spanish of the Coddington Life Events Scales (CLES). Qual Life Res. 2008 Apr;17(3):447-52. doi: 10.1007/s11136-008-9320-y. Epub 2008 Mar 5. PubMed

Pre 2008

Balagué M, Valderas JM, Bolíbar B. [Research opportunities and organizational aspects in Primary Health Care]. Med Clin (Barc). 2007 May 12;128(18):711-4. Review. Spanish. PubMed

García FC, Morató I, Valderas JM, Rajmil L. [School performance and health in adolescents in Lloret de Mar (Girona)]. Aten Primaria. 2007 Nov;39(11):623-4. Spanish. PubMed

Guyatt GH, Ferrans CE, Halyard MY, Revicki DA, Symonds TL, Varricchio CG, Kotzeva A, Valderas JM, Alonso J; Clinical Significance Consensus Meeting Group. Exploration of the value of health-related quality-of-life information from clinical research and into clinical practice. Mayo Clin Proc. 2007 Oct;82(10):1229-39. Erratum in: Mayo Clin Proc. 2007 Dec;82(12):1579. Alonso, Jordi L [corrected to Alonso, Jordi]. PubMed

Morcillo C, Valderas JM, Roca JM, Oliveró R, Núñez C, Sánchez M, Bechich S. [Computed tomographic measurement of coronary artery calcification in the assessment of cardiovascular risk: a descriptive study]. Rev Esp Cardiol. 2007 Mar;60(3):268-75. Spanish. PubMed

Morcillo C, Valderas JM, Roca JM, Oliveró R, Núñez C, Sánchez M, Bechich S. Computed tomographic measurement of coronary artery calcification in the assessment of cardiovascular risk: a descriptive study. Rev Esp Cardiol (Engl Ed). 2007;60(3):268-75. doi: 10.1016/S1885-5857(07)60151-0. PubMed

Valderas JM. Why do team-authored papers get cited more? Science. 2007 Sep 14;317(5844):1496-8; author reply 1496-8. PubMed

Valderas JM. Measurement of health and disability. Lancet. 2007 Aug 11;370(9586):483-4; author reply 484. PubMed

Valderas JM, Alonso J. Response to Cella et al, May 2006--supplement 1 Medical Care. Med Care. 2007 Oct;45(10):1008; author reply 1008. PubMed

Valderas JM, Starfield B, Roland M. Multimorbidity's many challenges: A research priority in the UK. BMJ. 2007 Jun 2;334(7604):1128. PubMed

Valderas JM, Starfield B, Salisbury C. Definitions of chronic health conditions in childhood. JAMA. 2007 Oct 10;298(14):1636; author reply 1636-7. PubMed

Valderas JM, Mendivil J, Parada A, Losada-Yáñez M, Alonso J. [Development of a geographic filter for PubMed to identify studies performed in Spain]. Rev Esp Cardiol. 2006 Dec;59(12):1244-51. Spanish. PubMed

Valderas JM, Mendivil J, Parada A, Losada-Yáñez M, Alonso J. Development of a Geographic Filter for PubMed to Identify Studies Performed in Spain. Rev Esp Cardiol (Engl Ed). 2006;59(12):1244-51. doi: 10.1016/S1885-5857(07)60080-2. PubMed

Valderas JM, Ferrer M, Alonso J. [Health-related quality of life instruments and other patient-reported outcomes]. Med Clin (Barc). 2005 Dec 1;125 Suppl 1:56-60. Review. Spanish. PubMed

Rebollo P, Valderas JM, Ortega F. [Progress in Spain of the described barriers to the use of perceived health status measures in the clinical practice]. Med Clin (Barc). 2005 Nov 19;125(18):703-5. Spanish. PubMed

Valderas JM, Rue M, Guyatt G, Alonso J; Systematic Use of Quality of Life Measures in the Clinical Practice Working Group. The impact of the VF-14 index, a perceived visual function measure, in the routine management of cataract patients. Qual Life Res. 2005 Sep;14(7):1743-53. PubMed

Morcillo C, Valderas JM, Aguado O, Delás J, Sort D, Pujadas R, Rosell F. [Evaluation of a home-based intervention in heart failure patients. Results of a randomized study]. Rev Esp Cardiol. 2005 Jun;58(6):618-25. Spanish. PubMed

Morcillo C, Valderas JM, Aguado O, Delás J, Sort D, Pujadas R, Rosell F. Evaluation of a home-based intervention in heart failure patients. Results of a randomized study. Rev Esp Cardiol (Engl Ed). 2005 Jun;58(6):618-25. doi: 10.1016/S1885-5857(06)60247-8. PubMed

Tarrado X, Castañón M, Thió M, Valderas JM, Garcia Aparicio L, Morales L. Comparative study between isolated intestinal perforation and necrotizing enterocolitis. Eur J Pediatr Surg. 2005 Apr;15(2):88-94. PubMed

Vilagut G, Ferrer M, Rajmil L, Rebollo P, Permanyer-Miralda G, Quintana JM, Santed R, Valderas JM, Ribera A, Domingo-Salvany A, Alonso J. [The Spanish version of the Short Form 36 Health Survey: a decade of experience and new developments]. Gac Sanit. 2005 Mar-Apr;19(2):135-50. Review. Spanish. PubMed

Valderas JM, Alonso J, Prieto L, Espallargues M, Castells X. Content-based interpretation aids for health-related quality of life measures in clinical practice. An example for the visual function index (VF-14). Qual Life Res. 2004 Feb;13(1):35-44. PubMed

Sampietro-Colom L, Espallargues M, Reina MD, Marsó E, Valderas JM, Estrada MD. [Citizens opinions, experiences and perceptions about waiting lists for elective cataract surgery and hip and knee replacement. ]. Aten Primaria. 2004 Feb 15;33(2):86-94. Spanish. PubMed 

Espallargues M, Valderas JM, Alonso J. Provision of feedback on perceived health status to health care professionals: a systematic review of its impact. Med Care. 2000 Feb;38(2):175-86. Review. PubMed