Random blood glucose: a robust risk factor for type 2 diabetes.
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM(2015)
摘要
Context: Although random blood glucose (RBG) values are common in clinical practice, the role of elevated RBG values as a risk factor for type 2 diabetes is not well described. Objective: This study aimed to examine nondiagnostic, RBG values as a risk factor for type 2 diabetes Design: This was a cross-sectional study of National Health and Nutrition Examination Surveys (NHANES) participants (2005-2010). Participants: Nonfasting NHANES participants (n = 13 792) without diagnosed diabetes were included. Primary Outcome: The primary outcome was glycemic status (normal glycemia, undiagnosed pre-diabetes, or undiagnosed diabetes) using hemoglobin HbA(1C) as the criterion standard. Analysis: Multinomial logistic regression examined associations between diabetes risk factors and RBG values according to glycemic status. Associations between current U.S. screening strategies and a hypothetical RBG screening strategy with undiagnosed diabetes were examined. Results: In unadjusted analyses, a single RBG >= 100 mg/dL (5.6 mmol/L) was more strongly associated with undiagnosed diabetes than any single risk factor (odds ratio [OR], 31.2; 95% confidence interval [CI], 21.3-45.5) and remained strongly associated with undiagnosed diabetes (OR, 20.4; 95% CI, 14.0-29.6) after adjustment for traditional diabetes risk factors. Using RBG < 100 mg/dL as a reference, the adjusted odds of undiagnosed diabetes increased significantly as RBG increased. RBG 100-119 mg/dL (OR 7.1; 95% CI 4.4-11.4); RBG 120-139 mg/dL (OR 30.3; 95% CI 20.0-46.0); RBG >= 140 mg/dL (OR 256; 95% CI 150.0-436.9). As a hypothetical screening strategy, an elevated RBG was more strongly associated with undiagnosed diabetes than current United States Preventative Services Task Force guidelines (hypertension alone; P < .0001) and similar to American Diabetes Association guidelines (P = .12). Conclusions: A single RBG >= 100 mg/dL is more strongly associated with undiagnosed diabetes than traditional risk factors. Abnormal RBG values are a risk factor for diabetes and should be considered in screening guidelines.
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关键词
diabetes,glucose,robust risk factor
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