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Main etiologies by age group were alcoholic liver disease (n = 377), nonalcoholic steatohepatitis (n = 281), and hepatitis C virus (n = 438). The percentage of these etiologies was higher for patients aged 61-70 years (32.6%, 38.8%, and 38.6%, respectively). However, no significant differences in etiology were found between age groups (P = 0.166). HCV: Hepatitis C virus; NASH: Nonalcoholic steatohepatitis.
