GPT and type 2 diabetes mellitus: Compared with the control group, T2DM patients have higher prevalence of hypertension (manifested in the increase of SBP and DBP) and greater age; the level of BMI, WHR, FPG, 2hPG, FINs, HbA1C, HOMA-IR, TG, ALT, BUN, eGFR, and EDA was significantly increased; and the level of 2hCP, HOMA-β, HDL-C, and creatinine was significantly reduced (P < 0.05).