Comorbidities in osteoarthritis (ComOA): a combined cross-sectional, case–control and cohort study using large electronic health records in four European countries

• Sita M A Bierma-Zeinstra,
• Christian Mallen,
• Michael Doherty,
• Daniel Prieto-Alhambra,
• Chang-Fu Kuo,
• Martin Englund,
• Carol Coupland,
• Weiya Zhang,
• Aleksandra Turkiewicz,
• Andrea Dell'Isola,
• Subhashisa Swain,
• Aliya Sarmanova,
• Jos Runhaar,
• V Strauss,
• Anne Kamps,
• Danielle Robinson

Affiliations

Sita M A Bierma-Zeinstra

Department of General Practice, Erasmus MC University Medical Center, Rotterdam, The Netherlands

Christian Mallen

School of Medicine, Keele University, Keele, UK

Michael Doherty

5 Acaedemic Rheumatology, University of Nottingham, Nottingham, UK

Daniel Prieto-Alhambra

Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK

Chang-Fu Kuo

2 School of Medicine, Chang Gung University, Taoyuan, Taiwan

Martin Englund

Clinical Epidemiology Unit, Orthopedics, Department of Clinical Sciences Lund, Lund University, Lund, Sweden

Carol Coupland

associate professor in medical statistics

Weiya Zhang

Academic Rheumatology, University of Nottingham, Nottingham, UK

Aleksandra Turkiewicz

1 Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund University, Faculty of Medicine, Lund, Sweden

Andrea Dell'Isola

Clinical Epidemiology Unit, Orthopaedics, Department of Clinical Sciences, Lund University, Lund, Sweden

Subhashisa Swain

Academic Rheumatology, University of Nottingham, Nottingham, UK

Aliya Sarmanova

Musculoskeletal Research Unit, University of Bristol, Bristol Medical School, Bristol, UK

Jos Runhaar

General Practice, Erasmus MC, Rotterdam, The Netherlands

V Strauss

4University of Warwick, Coventry, UK

Anne Kamps

Department of General Practice, Erasmus MC University Medical Center Rotterdam, The Netherlands, Rotterdam, The Netherlands

Danielle Robinson

Center for Statistics in Medicine, Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, University of Oxford Nuffield, Oxford, UK