GPT and metabolic dysfunction-associated steatotic liver disease: The developed formula, which incorporates BMI, fasting plasma glucose (FPG), TG, and the ALT/AST ratio, demonstrated a diagnostic value of 0.822 (95% CI: 0.810–0.834) for NAFLD within the training cohort and achieved an AUC of 0.826 (95% CI: 0.815–0.838) (12).