GPT and diabetes mellitus: The fatty liver group had a higher proportion of men, current smokers, current drinkers, and patients with diabetes mellitus, hypertension, and dyslipidemia, as well as higher mean age, BMI, waist circumference, MBP, whole blood hematocrit, FPG, HbA1c, HOMA-IR, IOP, serum total cholesterol, AST, ALT, and hsCRP levels than the non-fatty liver group.