SOD1 and hepatocellular carcinoma: The mean value of SOD in HCC wassignificantly higher (66.8 ± 6.5 vs 52.8 ± 3.8 U/mg protein; p < 0.05), and that of CAT wassignificantly lower (22.6 ± 2.4 vs 36.0 ± 6.1 U/mg protein; p < 0.05) than those in liver tissue.