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. 2014 Jun 1;12(5):258–268. doi: 10.1089/met.2013.0128

FIG. 3.

FIG. 3.

Receiver operating characteristics (ROC) curves of glycated hemoglobin (HbA1c) for diagnosis of prediabetes. (A) ROC curves of HbA1c for diagnosis of IFG (100• fasting plasma glucose <126 mg/dl, and HbA1c <6.5%). (B) ROC curves of HbA1c for diagnosis of IGT (140• 2-hr glucose <200 mg/dl, fasting plasma glucose <100 mg/dl, and HbA1c <6.5%). (C) ROC curves of HbA1c for diagnosis of IFG and/or IGT (fasting plasma glucose •100 mg/dl or 2-hr glucose •140mg/dl) in participants (fasting plasma glucose <126 mg/dl, 2-hr glucose <200 mg/dl and HbA1c <6.5%). *Area under the ROC curve (standard error). (†) p value for comparison of area under the curve (AUC) between groups. Women were compared with men, whereas Mexican American and non-Hispanic black with non-Hispanic White, and 60+years and 40–59 years with 20–30 years. ♦HbA1c 5.7%.