GPT and hepatocellular carcinoma: Serum ALT levels were significantly higher in the HBV-HCC group compared to the LC and CHB groups (P<0.05), but there was no significant difference between the LC and CHB groups (CHB vs. LC, P=0.057; CHB vs. HBV-HCC, P<0.001; LC vs. HBV-HCC, P=0.034).