GPT and type 2 diabetes mellitus: HSI consists of sex, the presence of type 2 diabetes mellitus (DM), body mass index (BMI), and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels, while fatty liver index consists of BMI, waist circumference, triglycerides (TG) level, and gamma-glutamyl transferase (GGT) level.