GPT and Insulin resistance: BMI, body mass index; HB, hemoglobin; TLC, total lymphocyte count; ALT, alanine aminotransferase; AST, aspartate aminotransferase; GGT, gamma-glutamyl transpeptidase; ALP, alkaline phosphatase; PT, prothrombin time; INR, international normalized ratio; CR, creatinine; HDL, high-density lipoprotein; LDL, low-density lipoprotein; VLDL, very low density lipoprotein; HOMA-IR, homeostasis model assessment of insulin resistance.