GPT and metabolic syndrome: For this purpose, 13 variables were selected from the point of view of the availability in medical checkup fields and the general assumption of close association with metabolic syndrome and liver damage: age, gender, BMI, T2DM (yes/no), hypertension (yes/no), albumin, AST/ALT ratio, ALP, γ-GTP, total bilirubin, triacylglycerol, total cholesterol, and Plt.