Based on the significant differences in definition, clinical features, and prognosis between alcoholic hepatitis ( AH) and severeAH, it is recommended to classify AH into mild and severe AH. As for the disease spectrum of hospitalized patients with alcoholic liver dis-ease, most patients have liver cirrhosis, and about 15% have mild or severe AH. Alcoholic liver failure belongs to the category of severeAH. Severe AH is a clinical diagnosis, while alcoholic steatohepatitis is a pathological diagnosis. The clinical diagnostic criteria for severeAH tend to be consistent in European and the United States of America, but the Chinese guideline released in 2018 is not consistent with theguidelines from western countries.
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