F2 and blood coagulation disease: Laboratory findings showed elevated transaminases in 10 patients (83% >3x normal, mean aspartate aminotransferase (AST) of 683.36 IU/L, mean alanine aminotransferase (ALT) of 428 IU/L), and total bilirubin was elevated >14 μmol/L in all patients, mean 169 μmol/L). Coagulopathy was common, with eight patients (66%) having a prothrombin time (PT) < 70%.