Severity in acute hepatitis is best estimated by
Acute Alcoholic Hepatitis The pattern of liver test abnormality is hepatocellular. The AST is typically in the 100 to 200 IU/L range, even in severe disease, and the ALT level may be normal, even in severe cases. The AST level is higher than the ALT level, and the ratio is greater than 2:1 in 70% of patients. Ref Harrison20th edition pg 677
Serum bilirubin
PT
Alpha glutaryl transferase
Alkaline phosphate
Infection