期刊
DIABETES CARE
卷 33, 期 6, 页码 1347-1352出版社
AMER DIABETES ASSOC
DOI: 10.2337/dc09-1444
关键词
-
资金
- New Zealand Health Research Council [04/164R]
OBJECTIVE - To derive a 5-year cardiovascular disease (CVD) risk equation from usual-care data that is appropriate for people with type 2 diabetes From a wide range of ethnic groups, variable glycemic control, and high rates of albuminuria in New Zealand. RESEARCH DESIGN AND METHODS - This prospective open-cohort study used primary-care data from 36,127 people with type 2 diabetes without previous CVD to derive a CVD equation using Cox proportional hazards regression models. Data from 12,626 people from a geographically different area were used for validation. Outcome measure was time to first fatal or nonfatal cardiovascular event, derived from national hospitalization and mortality records. Risk factors were age at diagnosis, diabetes duration, sex, systolic blood pressure, smoking status, total cholesterol-to-HDL ratio, ethnicity, glycated hemoglobin (AlC), and urine albumin-to-creatinine ratio. RESULTS - Baseline median age was 59 years, 51% were women, 55% were of non-European ethnicity, and 33% had micro- or macroalbuminuria. Median follow-up was 3.9 years (141,169 person-years), including 10,030 individuals followed for at least 5 years. At total of 6,479 first cardiovascular events occurred during follow-up. The 5-year observed risk was 20.8% (95% Cl 20.3-21.3). Risk increased with each 1% AlC (adjusted hazard ratio 1.06 [95% Cl 1.05-1.08]), when macroalbuminuria was present (2.04 [1.89-2.21]), and in Indo-Asians (1.29 [1.14-1.46]) and Maori (1.23 [1.14-1.32]) compared with Europeans. The derived risk equations performed well on the validation cohort compared with other risk equations. CONCLUSIONS - Renal function, ethnicity, and glycemic control contribute significantly In cardiovascular risk prediction. Population-appropriate risk equations cart be derived from routinely collected data.
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