Bacteremia/drug therapy; Cause of Death; Critical Illness/mortality; Hepatic Encephalopathy/diagnosis; Hospital Mortality; Liver Failure, Acute/mortality; APACHE; Analysis of Variance; Bacteremia/mortality; Bacteremia/therapy; Cohort Studies; Comorbidity; Confidence Intervals; Critical Care/methods; Female; Follow-Up Studies; Health Status; Hepatic Encephalopathy/mortality; Hepatic Encephalopathy/therapy; Humans; Intensive Care Units; Liver Failure, Acute/diagnosis; Liver Failure, Acute/therapy; Liver Transplantation; Logistic Models; Male; Multivariate Analysis; Predictive Value of Tests; Probability; Registries; Retrospective Studies; Risk Assessment; Survival Analysis