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Using the EQ-5D index score as a predictor of outcomes in patients with type 2 diabetes.
- Source :
-
Medical care [Med Care] 2009 Jan; Vol. 47 (1), pp. 61-8. - Publication Year :
- 2009
-
Abstract
- Objective: To examine whether index scores based on the EQ-5D, a 5-item generic health status measure, are an independent predictor of vascular events, other major complications and mortality in people with type 2 diabetes and to quantify the relationship between these scores and future survival.<br />Subjects: Five-year cohort study involving 7348 patients with type 2 diabetes, aged between 50-75 years who had been recruited to the FIELD (Fenofibrate Intervention and Event Lowering in Diabetes) study from Australia and New Zealand.<br />Measures: Multivariate Cox proportional hazard regression models were used to estimate the hazard ratio associated with index scores derived from the EQ-5D on: (1) cardiovascular events (including coronary heart disease event, stroke, hospitalization for angina, or cardiovascular death); (2) other major diabetes-related complications (heart failure, amputation, renal dialysis, and lower extremity ulcer); and (3) death from any cause. Life table methods were used to derive expected survival for patients with different index scores.<br />Results: After adjusting for standard risk factors, a 0.1 higher index score (derived from the UK algorithm) was associated with an additional 7% (95% CI: 4-11%) lower risk of vascular events, a 13% (95% CI: 9-17%) lower risk of complications, and up to 14% (95% CI: 8-19%) lower rate of all-cause mortality.<br />Conclusions: Index scores derived from the EQ-5D are an independent predictor of the risk of mortality, future vascular events, and other complications in people with type 2 diabetes. This should be taken into account when extrapolating health outcomes such as quality-adjusted life years (QALYs).
- Subjects :
- Aged
Algorithms
Australia epidemiology
Cause of Death
Diabetes Complications drug therapy
Diabetes Mellitus, Type 2 drug therapy
Female
Fenofibrate therapeutic use
Humans
Hypolipidemic Agents therapeutic use
Life Tables
Male
Middle Aged
Multivariate Analysis
New Zealand epidemiology
Proportional Hazards Models
Surveys and Questionnaires
Survival Analysis
Diabetes Complications mortality
Diabetes Mellitus, Type 2 complications
Diabetes Mellitus, Type 2 mortality
Outcome Assessment, Health Care methods
Quality-Adjusted Life Years
Subjects
Details
- Language :
- English
- ISSN :
- 1537-1948
- Volume :
- 47
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Medical care
- Publication Type :
- Academic Journal
- Accession number :
- 19106732
- Full Text :
- https://doi.org/10.1097/MLR.0b013e3181844855