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 prediabetes, or undiagnosed diabetes) using hemoglobin HbA1C 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 7ge; 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 asRBGincreased. 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
CITATION STYLE
Bowen, M. E., Xuan, L., Lingvay, I., & Halm, E. A. (2015). Random blood glucose: A robust risk factor for type 2 diabetes. Journal of Clinical Endocrinology and Metabolism, 100(4), 1503–1510. https://doi.org/10.1210/jc.2014-4116
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