GPT and Cirrhosis: This led to the proposal that a serum AST/ALT ratio >2.0 is highly suggestive of alcoholic hepatitis and cirrhosis [304], found in as much as 70% of this special cohort, but in only 26% of postnecrotic cirrhosis, 8% of not further specified chronic hepatitis, 4% of acute viral hepatitis without specification, and none of jaundice caused by biliary obstruction.