... hepatitis activity index: 8.3% in patients with mild chronic hepatitis, 19.04% in patients with moderate chronic hepatitis, and 26.31% in patients with severe chronic hepatitis In optic microscopy,... accordance with the hepatitis activity index: 16.6% of the patients with mild chronic hepatitis, 38% of the patients with moderate chronic hepatitis and 36.8% of the patients with severe chronic hepatitis. .. specific histopathological aspects (but not pathognomonic) of chronic hepatitis C (hepatic steatosis, portal lymphoid infiltrates and bile duct damage) had a reduced incidence, occurring in only