Journal
DIABETES CARE
Volume 28, Issue 2, Pages 404-408Publisher
AMER DIABETES ASSOC
DOI: 10.2337/diacare.28.2.404
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Funding
- NIAMS NIH HHS [5 K12 AR47659] Funding Source: Medline
- NIA NIH HHS [N01-AG-6-2103, N01-AG-6-2101, P30-AG15272, 5R01 AG07181, N01-AG-6-2106] Funding Source: Medline
- NIDDK NIH HHS [5R01 DK31801] Funding Source: Medline
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OBJECTIVE - To create a simple prediction rule that could perforin as well as the 2-h postchallenge plasma glucose (PCPG) test to predict those at risk for diabetes. We created a 0 prediction rule in one sample and prospectively validated it for incident diabetes in a separate cohort. RESEARCH DESIGN AND METHODS - A cross-sectional analysis with data from the Rancho Bernardo Study (age 67 +/- 11 years) to derive I rule predicting abnormal PCPG greater than or equal to140 mg/dl, using demographic, clinical, and laboratory data of nondiabetic participants with fasting plasma glucose (FPG) <126 mg/dl. Data from the Health, Aging and Body Composition Study (age 74 +/- 3 years) were used to prospectively validate this rule for incident diabetes and compare it with the predictive ability of the PCPG test. RESULTS - Of 1,549 RBS participants, 514 (33%) had PCPG greater than or equal to140 mg/dl. Female sex, age, triglycerides, and FPG were most significantly associated With abnormal PCPG. Based on standardized beta-coefficients, we allotted I point for female sex, triglycerides greater than or equal to150 mg/dl, or FPG 95-104 mg/dl. Age greater than or equal to70 years or FPG 105-115 mg/dl were given 2 points, and FPG 116-125 mg/dl received 3 points. In the validation cohort., this simple prediction rule was as good as the 2-h PCPG Lest for predicting incident diabetes (C-statistic: 0.71 for both). CONCLUSIONS - Advanced age, female sex, FPG, and triglycerides were able to predict adults at risk for diabetes equally well as the 2-h PCPG test. Using this rule, clinicians may better identify, older persons who Should receive intensive lifestyle intervention to prevent type 2 diabetes. Diabetes Care 28:404-408, 2005.
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