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Effectiveness of a complex intervention on Prioritising Multimedication in Multimorbidity (PRIMUM) in primary care: results of a pragmatic cluster randomised controlled trial.

Muth C, Uhlmann L, Haefeli WE, Rochon J, van den Akker M, Perera R, Güthlin C, Beyer M, Oswald F, Valderas JM, Knottnerus JA, Gerlach FM, Harder S.

BMJ Open. 2018 Feb 24;8(2):e017740. doi: 10.1136/bmjopen-2017-017740.


A Patient Safety Toolkit for Family Practices.

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.

J Patient Saf. 2018 Feb 15. doi: 10.1097/PTS.0000000000000471. [Epub ahead of print]


Patient-Reported Measures for Person-Centered Coordinated Care: A Comparative Domain Map and Web-Based Compendium for Supporting Policy Development and Implementation.

Lloyd H, Wheat H, Horrell J, Sugavanam T, Fosh B, Valderas JM, Close J.

J Med Internet Res. 2018 Feb 14;20(2):e54. doi: 10.2196/jmir.7789.


Clinical rating systems in elbow research-a systematic review exploring trends and distributions of use.

Evans JP, Smith CD, Fine NF, Porter I, Gangannagaripalli J, Goodwin VA, Valderas JM.

J Shoulder Elbow Surg. 2018 Apr;27(4):e98-e106. doi: 10.1016/j.jse.2017.12.027. Epub 2018 Feb 12. Review.


Measurement invariance and general population reference values of the PROMIS Profile 29 in the UK, France, and Germany.

Fischer F, Gibbons C, Coste J, Valderas JM, Rose M, Leplège A.

Qual Life Res. 2018 Jan 19. doi: 10.1007/s11136-018-1785-8. [Epub ahead of print]


How do aggregated patient-reported outcome measures data stimulate health care improvement? A realist synthesis.

Greenhalgh J, Dalkin S, Gibbons E, Wright J, Valderas JM, Meads D, Black N.

J Health Serv Res Policy. 2018 Jan;23(1):57-65. doi: 10.1177/1355819617740925. Epub 2017 Dec 20.


Adapting QOF to focus on wellbeing and health.

Close J, Valderas JM, Byng R, Britten N, Lloyd H.

BMJ. 2017 Dec 4;359:j5541. doi: 10.1136/bmj.j5541. No abstract available.


Identifying patient and practice characteristics associated with patient-reported experiences of safety problems and harm: a cross-sectional study using a multilevel modelling approach.

Ricci-Cabello I, Reeves D, Bell BG, Valderas JM.

BMJ Qual Saf. 2017 Nov;26(11):899-907. doi: 10.1136/bmjqs-2016-006411. Epub 2017 Aug 7.


Outcomes of preexisting diabetes mellitus in breast, colorectal, and prostate cancer.

Griffiths RI, Valderas JM, McFadden EC, Bankhead CR, Lavery BA, Khan NF, Stevens RJ, Keating NL.

J Cancer Surviv. 2017 Oct;11(5):604-613. doi: 10.1007/s11764-017-0631-2. Epub 2017 Jul 22.


Anorexia nervosa and cancer: a protocol for a systematic review and meta-analysis of observational studies.

Catalá-López F, Hutton B, Driver JA, Ridao M, Valderas JM, Gènova-Maleras R, Forés-Martos J, Alonso-Arroyo A, Saint-Gerons DM, Vieta E, Valencia A, Tabarés-Seisdedos R.

Syst Rev. 2017 Jul 11;6(1):137. doi: 10.1186/s13643-017-0540-5.


Patients' evaluations of patient safety in English general practices: a cross-sectional study.

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.

Br J Gen Pract. 2017 Jul;67(660):e474-e482. doi: 10.3399/bjgp17X691085. Epub 2017 Jun 5.


Comorbid conditions delay diagnosis of colorectal cancer: a cohort study using electronic primary care records.

Mounce LTA, Price S, Valderas JM, Hamilton W.

Br J Cancer. 2017 Jun 6;116(12):1536-1543. doi: 10.1038/bjc.2017.127. Epub 2017 May 11.


Pharmacological control of diabetes and hypertension comorbidity in the elderly: A study of "real world" data.

Foguet-Boreu Q, Violán C, López Jiménez T, Pons-Vigués M, Rodríguez-Blanco T, Valderas JM, Guisado Clavero M, Pujol-Ribera E.

Prim Care Diabetes. 2017 Aug;11(4):348-359. doi: 10.1016/j.pcd.2017.03.007. Epub 2017 Apr 28.


Cancer and central nervous system disorders: protocol for an umbrella review of systematic reviews and updated meta-analyses of observational studies.

Catalá-López F, Hutton B, Driver JA, Page MJ, Ridao M, Valderas JM, Alonso-Arroyo A, Forés-Martos J, Martínez S, Gènova-Maleras R, Macías-Saint-Gerons D, Crespo-Facorro B, Vieta E, Valencia A, Tabarés-Seisdedos R.

Syst Rev. 2017 Apr 4;6(1):69. doi: 10.1186/s13643-017-0466-y.


Supervised Machine Learning Algorithms Can Classify Open-Text Feedback of Doctor Performance With Human-Level Accuracy.

Gibbons C, Richards S, Valderas JM, Campbell J.

J Med Internet Res. 2017 Mar 15;19(3):e65. doi: 10.2196/jmir.6533.


Identifying Primary Care Pathways from Quality of Care to Outcomes and Satisfaction Using Structural Equation Modeling.

Ricci-Cabello I, Stevens S, Dalton ARH, Griffiths RI, Campbell JL, Valderas JM.

Health Serv Res. 2018 Feb;53(1):430-449. doi: 10.1111/1475-6773.12666. Epub 2017 Feb 19.


Functionality and feedback: a realist synthesis of the collation, interpretation and utilisation of patient-reported outcome measures data to improve patient care.

Greenhalgh J, Dalkin S, Gooding K, Gibbons E, Wright J, Meads D, Black N, Valderas JM, Pawson R.

Southampton (UK): NIHR Journals Library; 2017 Jan.


Pilot study to test the feasibility of a trial design and complex intervention on PRIoritising MUltimedication in Multimorbidity in general practices (PRIMUMpilot).

Muth C, Harder S, Uhlmann L, Rochon J, Fullerton B, Güthlin C, Erler A, Beyer M, van den Akker M, Perera R, Knottnerus A, Valderas JM, Gerlach FM, Haefeli WE.

BMJ Open. 2016 Jul 25;6(7):e011613. doi: 10.1136/bmjopen-2016-011613.


Framework and guidance for implementing patient-reported outcomes in clinical practice: evidence, challenges and opportunities.

Porter I, Gonçalves-Bradley D, Ricci-Cabello I, Gibbons C, Gangannagaripalli J, Fitzpatrick R, Black N, Greenhalgh J, Valderas JM.

J Comp Eff Res. 2016 Aug;5(5):507-19. doi: 10.2217/cer-2015-0014. Epub 2016 Jul 18.


Patients' perceptions and experiences of patient safety in primary care in England.

Ricci-Cabello I, Pons-Vigués M, Berenguera A, Pujol-Ribera E, Slight SP, Valderas JM.

Fam Pract. 2016 Oct;33(5):535-42. doi: 10.1093/fampra/cmw046. Epub 2016 Jun 16.


Measuring Patient Safety in Primary Care: The Development and Validation of the "Patient Reported Experiences and Outcomes of Safety in Primary Care" (PREOS-PC).

Ricci-Cabello I, Avery AJ, Reeves D, Kadam UT, Valderas JM.

Ann Fam Med. 2016 May;14(3):253-61. doi: 10.1370/afm.1935.


Analysing indicators of performance, satisfaction, or safety using empirical logit transformation.

Stevens S, Valderas JM, Doran T, Perera R, Kontopantelis E.

BMJ. 2016 Mar 10;352:i1114. doi: 10.1136/bmj.i1114. No abstract available.


[Multimorbidity patterns in young adults in Catalonia: an analysis of clusters].

Violán C, Foguet-Boreu Q, Roso-Llorach A, Rodriguez-Blanco T, Pons-Vigués M, Pujol-Ribera E, Valderas JM.

Aten Primaria. 2016 Aug-Sep;48(7):479-92. doi: 10.1016/j.aprim.2015.10.006. Epub 2015 Dec 23. Spanish.


Multimorbidity, not a health condition or complexity by another name.

Valderas JM.

Eur J Gen Pract. 2015;21(4):213-4. doi: 10.3109/13814788.2015.1108404. No abstract available.


Associations between exemption and survival outcomes in the UK's primary care pay-for-performance programme: a retrospective cohort study.

Kontopantelis E, Springate DA, Ashcroft DM, Valderas JM, van der Veer SN, Reeves D, Guthrie B, Doran T.

BMJ Qual Saf. 2016 Sep;25(9):657-70. doi: 10.1136/bmjqs-2015-004602. Epub 2015 Dec 1.


Patient-reported outcomes: pathways to better health, better services, and better societies.

Black N, Burke L, Forrest CB, Sieberer UH, Ahmed S, Valderas JM, Bartlett SJ, Alonso J.

Qual Life Res. 2016 May;25(5):1103-12. doi: 10.1007/s11136-015-1168-3. Epub 2015 Nov 13.


Impact of the Prevalence of Concordant and Discordant Conditions on the Quality of Diabetes Care in Family Practices in England.

Ricci-Cabello I, Stevens S, Kontopantelis E, Dalton AR, Griffiths RI, Campbell JL, Doran T, Valderas JM.

Ann Fam Med. 2015 Nov;13(6):514-22. doi: 10.1370/afm.1848.


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.

Ble A, Masoli JA, Barry HE, Winder RE, Tavakoly B, Henley WE, Kuchel GA, Valderas JM, Melzer D, Richards SH.

BMC Geriatr. 2015 Nov 5;15:146. doi: 10.1186/s12877-015-0143-8.


Multimorbidity Patterns in Elderly Primary Health Care Patients in a South Mediterranean European Region: A Cluster Analysis.

Foguet-Boreu Q, Violán C, Rodriguez-Blanco T, Roso-Llorach A, Pons-Vigués M, Pujol-Ribera E, Cossio Gil Y, Valderas JM.

PLoS One. 2015 Nov 2;10(11):e0141155. doi: 10.1371/journal.pone.0141155. eCollection 2015.


A research agenda on patient safety in primary care. Recommendations by the LINNEAUS collaboration on patient safety in primary care.

Verstappen W, Gaal S, Bowie P, Parker D, Lainer M, Valderas JM, Wensing M, Esmail A.

Eur J Gen Pract. 2015 Sep;21 Suppl:72-7. doi: 10.3109/13814788.2015.1043726.


Involving patients in patient safety programmes: A scoping review and consensus procedure by the LINNEAUS collaboration on patient safety in primary care.

Trier H, Valderas JM, Wensing M, Martin HM, Egebart J.

Eur J Gen Pract. 2015 Sep;21 Suppl:56-61. doi: 10.3109/13814788.2015.1043729. Review.


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.

Klemp K, Dovey S, Valderas JM, Rohe J, Godycki-Cwirko M, Elliott P, Beyer M, Gerlach FM, Hoffmann B.

Eur J Gen Pract. 2015 Sep;21 Suppl:35-8. doi: 10.3109/13814788.2015.1043723. Review.


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.

Parker D, Wensing M, Esmail A, Valderas JM.

Eur J Gen Pract. 2015 Sep;21 Suppl:26-30. doi: 10.3109/13814788.2015.1043732.


Developing a research agenda for patient safety in primary care. Background, aims and output of the LINNEAUS collaboration on patient safety in primary care.

Esmail A, Valderas JM, Verstappen W, Godycki-Cwirko M, Wensing M.

Eur J Gen Pract. 2015 Sep;21 Suppl:3-7. doi: 10.3109/13814788.2015.1043122.


Impact of multi-morbidity on quality of healthcare and its implications for health policy, research and clinical practice. A scoping review.

Ricci-Cabello I, Violán C, Foguet-Boreu Q, Mounce LT, Valderas JM.

Eur J Gen Pract. 2015;21(3):192-202. Epub 2015 Jul 31. Review.


Time spent on health-related activities by senior Australians with chronic diseases: what is the role of multimorbidity and comorbidity?

Islam MM, McRae IS, Yen L, Jowsey T, Valderas JM.

Aust N Z J Public Health. 2015 Jun;39(3):277-83. doi: 10.1111/1753-6405.12355. Epub 2015 Apr 22.


Patients' responses to transient ischaemic attack symptoms: a cross-sectional questionnaire study in Australian general practices.

Magin P, Dunbabin J, Goode S, Valderas JM, Levi C, D'Souza M, Marshall M, Barker D, Lasserson D.

Br J Gen Pract. 2015 Jan;65(630):e24-31. doi: 10.3399/bjgp15X683125.


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.

Mavaddat N, Valderas JM, van der Linde R, Khaw KT, Kinmonth AL.

BMC Fam Pract. 2014 Nov 25;15:185. doi: 10.1186/s12875-014-0185-6.


Out-of-pocket expenditure by Australian seniors with chronic disease: the effect of specific diseases and morbidity clusters.

Islam MM, Yen L, Valderas JM, McRae IS.

BMC Public Health. 2014 Sep 27;14:1008. doi: 10.1186/1471-2458-14-1008.


Measuring experiences and outcomes of patient safety in primary care: a systematic review of available instruments.

Ricci-Cabello I, Gonçalves DC, Rojas-García A, Valderas JM.

Fam Pract. 2015 Feb;32(1):106-19. doi: 10.1093/fampra/cmu052. Epub 2014 Sep 5. Review.


Functionality and feedback: a protocol for a realist synthesis of the collation, interpretation and utilisation of PROMs data to improve patient care.

Greenhalgh J, Pawson R, Wright J, Black N, Valderas JM, Meads D, Gibbons E, Wood L, Wood C, Mills C, Dalkin S.

BMJ Open. 2014 Jul 22;4(7):e005601. doi: 10.1136/bmjopen-2014-005601.


Prevalence, determinants and patterns of multimorbidity in primary care: a systematic review of observational studies.

Violan C, Foguet-Boreu Q, Flores-Mateo G, Salisbury C, Blom J, Freitag M, Glynn L, Muth C, Valderas JM.

PLoS One. 2014 Jul 21;9(7):e102149. doi: 10.1371/journal.pone.0102149. eCollection 2014. Review.


Burden of multimorbidity, socioeconomic status and use of health services across stages of life in urban areas: a cross-sectional study.

Violán C, Foguet-Boreu Q, Roso-Llorach A, Rodriguez-Blanco T, Pons-Vigués M, Pujol-Ribera E, Muñoz-Pérez MÁ, Valderas JM.

BMC Public Health. 2014 May 29;14:530. doi: 10.1186/1471-2458-14-530.


Assessing quality of life in patients with prostate cancer: a systematic and standardized comparison of available instruments.

Schmidt S, Garin O, Pardo Y, Valderas JM, Alonso J, Rebollo P, Rajmil L, Garcia-Forero C, Ferrer M; EMPRO Group.

Qual Life Res. 2014 Oct;23(8):2169-81. doi: 10.1007/s11136-014-0678-8. Epub 2014 Apr 19.


Undiagnosed diabetes in breast, colorectal, lung, and prostate cancer: incidence and risk factors.

Griffiths RI, Lindquist KJ, O'Malley CD, Gleeson ML, Duryea JL, Valderas JM, Danese MD.

ISRN Oncol. 2014 Mar 4;2014:607850. doi: 10.1155/2014/607850. eCollection 2014.


Impact of undetected comorbidity on treatment and outcomes of breast cancer.

Griffiths RI, Gleeson ML, Valderas JM, Danese MD.

Int J Breast Cancer. 2014;2014:970780. doi: 10.1155/2014/970780. Epub 2014 Feb 13.


Impact of multimorbidity: acute morbidity, area of residency and use of health services across the life span in a region of south Europe.

Foguet-Boreu Q, Violan C, Roso-Llorach A, Rodriguez-Blanco T, Pons-Vigués M, Muñoz-Pérez MA, Pujol-Ribera E, Valderas JM.

BMC Fam Pract. 2014 Mar 26;15:55. doi: 10.1186/1471-2296-15-55.


Withdrawing performance indicators: retrospective analysis of general practice performance under UK Quality and Outcomes Framework.

Kontopantelis E, Springate D, Reeves D, Ashcroft DM, Valderas JM, Doran T.

BMJ. 2014 Jan 27;348:g330. doi: 10.1136/bmj.g330. Erratum in: BMJ. 2014;349:g7730.


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.

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.

Psychother Psychosom. 2014;83(2):89-105. doi: 10.1159/000356498. Epub 2014 Jan 22.


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