Demographic data and clinical features of healthy control, viral hepatitis and hepatocellular carcinoma groups.

The significance of the difference between the three groups was tested first using an analysis of variance (ANOVA); then, if proven significant, the Bonferroni test was used to assess the individual differences between each pair of groups. n = number of subjects. AST, aspartate aminotransferase; ALT, alanine aminotransferase.