GPT and metabolic dysfunction-associated steatotic liver disease: We found that the summarized proportion of NAFLD patients with normal ALT value in overall NAFLD patients was 25% (95%CI: 20–31%), In view of the high heterogeneity of this analysis (I2 = 92.0%), we performed the subgroup analysis which include region, type of study, diagnostic method, and group size to investigate the resource of heterogeneity.