Diabetes Care 31:795-797, 2008 DOI: 10.2337/dc07-1391 © 2008 by the American Diabetes Association
Can Self-Rated Health Scores Be Used for Risk Prediction in Patients With Type 2 Diabetes?
1 School of Public Health, University of Sydney, Sydney, New South Wales, Australia Address correspondence and reprint requests to Dr. Alison Hayes, School of Public Health, University of Sydney, NSW 2006 Australia. E-mail: alisonh{at}health.usyd.edu.au OBJECTIVE—To investigate whether self-rated health profiles compiled using the EuroQol groups visual analog scale (EQ VAS) are independent predictors of vascular events and major complications in people with type 2 diabetes after controlling for standard clinical risk factors. RESEARCH DESIGN AND METHODS—The study is based on 7,348 individuals with a mean follow-up of 2.4 years after completing the EQ-5D questionnaire. We used Cox proportional hazards modeling to estimate hazard ratios associated with EQ VAS scores after controlling for baseline covariates: age, sex, smoking status, diabetes duration, A1C, systolic blood pressure, BMI, plasma lipids, and prior clinical history. RESULTS—A 10-point higher EQ VAS score was associated with a 6% (95% CI 1–11) lower risk of vascular events and a 22% (95% CI 15–28) lower risk of diabetesc complications. CONCLUSIONS—Self-rated health profiles compiled using the EQ VAS provide valuable information on patient risk in addition to that determined from clinical risk factors alone.
Abbreviations: VAS, visual analog scale FIELD, Finofibrate Intervention and Event Lowering in Diabetes study
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