GPT and fatty liver disease: Furthermore, univariate and multivariate statistical analyses were used to examine the relationships between liver steatosis and fibrosis and the following parameters: TyG index, VAI, LAP, age, sex, body mass index (BMI), aspartate aminotransferase (AST), alanine aminotransferase (ALT), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), fasting blood glucose (FBG), and triglycerides.