6. Compensated liver function (Child-Pugh-Turcotte score ≤7, prothrombin time 3 sec above ULN or INR ≤1.5, serum albumin >3 g/dL, total bilirubin <2.5 mg/dL, no history of variceal bleeding, diuretics or ascites requiring paracentesis, hepatic encephalopathy)