AFP and hepatocellular carcinoma: Further, the AUCs of AFP for early-stage HCC in AST ≤ 1× ULN were marginally higher than those in ALT ≤ 1× ULN, but there were no significant differences as well as between AST > 1× ULN and ALT > 1× ULN regardless of whether in the whole group, non-antiviral group, or antiviral group.