Gastroenterology and Hepatology Unit;
Nossa Senhora da Conceicao Hospital;
Gastro-enterology and Hepatology Unit;
Federal University of Health Sciences of Porto Alegre;
Gastroenterology and Hepatology Unit;
Pontifical Catholic University of Rio Grande do Sul;
Cirrhosis; Acute-on-chronic liver failure; Mortality; Prediction; Prognosis; Acute decompensation of cirrhosis;