Fig. 1. Receiver operating characteristic curves for performance of glycosylated hemoglobin (HbA1c) and fasting plasma glucose corresponding to diabetes and prediabetes without diabetic medications, defined by the 2015 American Dental Association criteria among the Korean population by glucose levels. (A) Fasting plasma glucose (FPG) of 126 mg/dL. (B) FPG of 100 mg/dL.
