Clinical characteristics of study population by group of normal glucose tolerance (NGT),impaired glucose regulation(IGR) and diabetes.

Categorical variables were expressed as numbers.Continuous variables were expressed as mean±SD.NGT, normal glucose tolerance; IGR, impaired glucose regulation; DM, diabetes mellitus; BMI, body mass index; FPG, fasting plasma glucose; 2hPG,2-h postprandial plasma glucose; HbA1c, glycated hemoglobin A1c; HDL, high density lipoprotein; LDL, low-density lipoprotein; eGFR, estimated glomerular filtration rate; ACR, albumin-to-creatinine ratio; ANOVA, analysis of variance; SNK, Student Newman–Keuls; ACEI, angiotensin converting enzyme inhibitor; ARB, angiotensin receptor blocker.†P2 test, as appropriate.‡P2 test, as appropriate.