.003; postprandial 2-h, P = 0.005). The cut-off values determined for relevant factors were as follows: (I) fasting glucose level<135 mg/dL (sensitivity 0.73/specificity 0.83/AUC 0.79, P<0.001); and (II) 1-h postprandial elevation>54 mg/dL (0.65/0.61/0.71, P = 0.006), 2-h postprandial elevation>78 mg/dL (0.65/0.73/0.71, P = 0.005).