GPT and diabetes mellitus: Even after accounting for factors like gender, age, race, education, liver function tests (ALT, AST, total bilirubin, ALP, GGT), uric acid, lipid levels (total cholesterol, HDL cholesterol), medical history (malignancy, CVD, hypertension, diabetes), lifestyle (smoking), and medication use (statins, blood pressure, and diabetes medications), individuals in the higher quartiles of WC had a greater NAFLD risk.