Racial disparities in access to liver transplantation in patients with early-stage hepatocellular carcinoma.
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BACKGROUND: Orthotopic liver transplantation is the recommended treatment option for patients with early-stage hepatocellular carcinoma and concomitant cirrhosis. Waitlist candidacy can be affected by social determinants of health that vary across races and ethnicities. Our study sought to evaluate whether racial/ethnic disparities exist in access to orthotopic liver transplantation in patients with hepatocellular carcinoma. METHODS: The National Cancer Database participant use file was used to analyze data between 2004 and 2020. Patients 18-70 years of age with TNM clinical stage I and II hepatocellular carcinoma who received either orthotopic liver transplantation or liver directed/nonsurgical therapies were included. Baseline demographic variables and treatment modalities were collected. Patients were assigned fixed categories on the basis of race and ethnicity. Descriptive statistics, multivariable logistical regressions, effects modification analysis, and propensity matching were used. RESULTS: There were 23,313 non-Hispanic White, 5,215 non-Hispanic Black, 5,581 Hispanic, and 2,768 other patients included in this analysis. Significant socioeconomic variation was observed across races. Non-Hispanic White patients were more likely to undergo orthotopic liver transplantation than non-Hispanic Black patients. The proportion of patients insured by Medicare was the same between non-Hispanic White and non-Hispanic Black patients. There was a graeter proportion of non-Hispanic Black patients with Medicaid compared with non-Hispanic White patients, whereas a lower proportion of non-Hispanic Black patients were insured via private insurance compared with non-Hispanic White patients. Effect modification analysis showed the non-Hispanic Black patients were less likely to undergo orthotopic liver transplantation for those with private and Medicare coverage compared with non-Hispanic White patients. Propensity matching showed a significantly decreased rate of orthotopic liver transplantation in non-Hispanic Black patients compared with non-Hispanic White patients. CONCLUSION: Non-Hispanic Black patients were less likely to undergo orthotopic liver transplantation for early-stage hepatocellular carcinoma, despite adjusting for cancer stage and socioeconomic factors, compared with non-Hispanic White patients. Social determinants of health were associated with the probability of undergoing orthotopic liver transplantation. Understanding disparities related to social determinants of health will help guide health policy changes and improved access to care.