Baseline clinical characteristics of subjects who showed no progression, progression to prediabetes and progression to T2DM at the end of 12-year.

Bonferroni Post Hoc test was applied for multiple comparisons. No progression as reference.*PData as mean±standard deviation or median with interquartile range. a Natural-log-transformed before analysis. NGT: Normal glucose tolerance; IGT: Impaired glucose tolerance; IFG: Impaired fasting glucose; BMI: Body mass index; WC: Waist circumference; FPG: Fasting plama glucose; 2 hrG: 2 hr post-OGTT glucose; HOMA-IR: homeostasis model assessment index for insulin resistance; HOMA-beta: homeostasis model assessment index for beta-cell function.