GPT and Hepatic fibrosis: There was no statistically significant difference regarding sex, necro-inflammatory score on liver biopsy (grade), and total bilirubin concentration between these groups (P > 0.05), but there were significant differences in liver fibrosis (stage), AST, ALT and direct bilirubin mean concentrations between G2 and G3 (P < 0.05) (Table 1).