Acute-on-chronic liver failure: Controversies and consensus

Table 1 World Gastroenterological Organisation definitions of acute-on-chronic liver failure subtypes[30]

Type A-noncirrhotic	Type B-compensated cirrhosis	Type C-decompensated cirrhosis
Acute flare of noncirrhotic CLD resulting in liver failure including hepatic encephalopathy	Rapid deterioration of previously well-compensated cirrhosis after major insult such as hepatitis (drug, viral, alcoholic), infection, or surgery	Rapid deterioration in those with previous hepatic decompensation

CLD: Chronic liver disease.