Figure 1

Receiver operating characteristic (ROC) curve of resting heart rate for identifying undiagnosed T2DM in male (A) and female (B) subjects. The areas under the ROC curves were 0.65 ± 0.02 and 0.61 ± 0.01 for male and female subjects, respectively, which suggested that resting heart rate had limited potential for screening undiagnosed T2DM.