GPT and Insulin resistance: Regarding hepatic markers and metabolic characteristics, alanine transaminase (ALT), high-density lipoprotein-cholesterol (HDL-C), fasting insulin (FINS) and uric acid (UA) showed significant differences, while there was no significant difference among the groups in aspartate transaminase (AST), total cholesterol (CHOL), triglycerides (TG), low-density lipoprotein-cholesterol (LDL-C), fasting blood glucose (FBG) and homeostatic model assessment of insulin resistance (HOMA-IR).