GPT and fibrosis: NAFLD fibrosis score (NFS), using a combination of the parameters of age, fasting glucose, body mass index (BMI), platelet count, albumin, and AST/ALT ratio [66], as well as fibrosis-4 index (FIB-4), including age, AST, ALT, and platelet count [67], are among the most widely used noninvasive tests.