GPT and metabolic dysfunction-associated steatotic liver disease: The baseline characteristics of the study population according to FLI changes are presented in Table 1, which shows that the mean values of BMI, WC, systolic blood pressure, fasting glucose, AST, ALT, GGT, and triglycerides all increased through the groups in the order of non-NAFLD, regressed NAFLD, incident NAFLD, and persistent NAFLD.