Figure 3

Receiver operating characteristic (ROC) curves by glucose and hemoglobin (Hb)A1c diagnosis. Receiver operating characteristic curves for the prevalence of (A, C, E) unknown type 2 diabetes and (B, D, F) overall glucose abnormalities (diabetes and pre-diabetes) classified by the 2-hour plasma glucose (2hPG), fasting plasma glucose (FPG) and hemoglobin (Hb)A1c diagnostic criteria.