Background: The incidence of hospitalisations related to acute-on-chronic liver failure (ACLF) is increasing. Liver transplantation (LT) remains the definitive treatment for the condition.
Aim: To evaluate the influence of race and ethnicity on LT outcomes in ACLF.
Methods: We conducted a retrospective analysis utilising LT data from the United Network for Organ Sharing (UNOS) database. White patients served as the control group and patients of other races were compared at each ACLF grade. The primary outcomes assessed were graft failure and all-cause mortality.
Results: Blacks exhibited a higher all-cause mortality (Grade 1: aHR 1.36, 95% CI 1.18-1.57, p < 0.001; Grade 2: aHR 1.27, 95% CI 1.08-1.48, p = 0.003; Grade 3: aHR 1.19, 95% CI 1.04-1.37, p = 0.01) and graft failure (Grade 1: aHR 2.05, 95% CI 1.58-2.67, p < 0.001; Grade 2: aHR 1.91, 95% CI 1.43-2.54, p < 0.001; Grade 3: aHR 1.50, 95% CI 1.15-1.96, p = 0.002). Hispanics experienced a lower all-cause mortality at grades 1 and 3 (Grade 1: aHR 0.83, 95% CI 0.72-0.96, p = 0.01; Grade 3: aHR 0.80, 95% CI 0.70-0.91, p < 0.001) and Asians with severe ACLF demonstrated decreased all-cause mortality (Grade 3: aHR 0.55, 95% CI 0.42-0.73, p < 0.001).
Conclusion: Black patients experienced the poorest outcomes and Hispanic and Asian patients demonstrated more favourable outcomes compared to Whites.
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