GPT and type 2 diabetes mellitus: In addition, compared with the NGT group, BMI, WHR, SBP, DBP, HbA1c, FPG, 2hPG, FIns, FCP, TG, LDL-c, ALT, AST, GGT, and HOMA-IR in the T2DM group were significantly increased (p < 0.05), while HDL-c and HOMA-β were significantly reduced (p < 0.05).