Rheumatology Advance Access originally published online on June 24, 2007
Rheumatology 2007 46(9):1441-1444; doi:10.1093/rheumatology/kem150
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Is gout associated with reduced quality of life? A case-control study
Academic Rheumatology, University of Nottingham, UK.
Correspondence to: Edward Roddy, Primary Care Musculoskeletal Research Centre, Primary Care Sciences, Keele University, Staffordshire ST5 5BG. E-mail: e.roddy{at}cphc.keele.ac.uk
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Abstract |
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Objectives. To compare quality of life (QOL) between gout cases and controls in a primary care population and to investigate whether impaired QOL in gout is secondary to co-morbid factors or to intrinsic factors related to gout itself.
Methods. A postal questionnaire was sent to all adults aged over 30 yrs registered with two general practices. The questionnaire assessed a history of gout (doctor diagnosed, or episodes suggestive of acute crystal synovitis) and medical and musculoskeletal co-morbidities. QOL was assessed using the WHOQoL-Bref instrument. Possible cases of gout attended for clinical assessment where the diagnosis was verified on clinical grounds. Overall QOL, satisfaction with health and QOL across four domains were compared between gout cases and controls and then entered into a linear regression model adjusting for gout, age, gender, body mass index and medical and musculoskeletal co-morbidities.
Results. Of 13 684 questionnaires mailed, 3082 completed questionnaires were returned (23%). From 289 suggested cases of gout, 137 cases were confirmed by clinical assessment. Compared with controls, cases had impaired overall QOL (15.67 vs 16.41, P = 0.003), satisfaction with health (13.16 vs 14.45, P < 0.001) and physical health-related QOL (14.08 vs 15.95, P < 0.001). On multi-variate analysis, gout remained associated with impaired physical health-related QOL (ß = –0.059, P = 0.001) but not overall QOL (ß = –0.024, P = 0.198) or satisfaction with health (ß = –0.028, P = 0.142).
Conclusions. Gout associates with poor overall QOL mainly resulting from associated co-morbidity. Physical health-related QOL, however, remains impaired after adjustment for co-morbidities.
KEY WORDS: Gout, Quality of life, General practice
Submitted 11 January 2007;
revised version accepted 2 May 2007.
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