Racial Differences in Hepatocellular Carcinoma Incidence and Risk Factors among a Low Socioeconomic Population

SIMPLE SUMMARY: Liver cancer incidence in the United States is higher among African Americans compared to White Americans. The determinants of racial disparities in liver cancer incidence are not clear. Using data from White and African Americans from low socioeconomic backgrounds, we compared the p...

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Detalles Bibliográficos
Autores principales: Muhimpundu, Sylvie, Conway, Rebecca Baqiyyah N., Warren Andersen, Shaneda, Lipworth, Loren, Steinwandel, Mark D., Blot, William J., Shu, Xiao-Ou, Sudenga, Staci L.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8345125/
https://www.ncbi.nlm.nih.gov/pubmed/34359611
http://dx.doi.org/10.3390/cancers13153710
Descripción
Sumario:SIMPLE SUMMARY: Liver cancer incidence in the United States is higher among African Americans compared to White Americans. The determinants of racial disparities in liver cancer incidence are not clear. Using data from White and African Americans from low socioeconomic backgrounds, we compared the prevalence of known liver cancer risk factors by race and assessed factors associated with liver cancer incidence. Understanding liver cancer risk differences can assist prevention strategies that target people at high risk, potentially based on risk factors that differ by race. ABSTRACT: The purpose of this study was to examine differences in risk factors associated with hepatocellular carcinoma (HCC) among White and African Americans from low socioeconomic backgrounds in the Southern Community Cohort Study (SCCS). The SCCS is a prospective cohort study with participants from the southeastern US. HCC incidence rates were calculated. Multivariable Cox regression was used to calculate HCC-adjusted hazard ratios (aHR) associated with known baseline HCC risk factors for White and African Americans, separately. There were 294 incident HCC. The incidence rate ratio for HCC was higher (IRR = 1.4, 95%CI: 1.1–1.9) in African Americans compared to White Americans. White Americans saw a stronger association between self-reported hepatitis C virus (aHR = 19.24, 95%CI: 10.58–35.00) and diabetes (aHR = 3.55, 95%CI: 1.96–6.43) for the development of HCC compared to African Americans (aHR = 7.73, 95%CI: 5.71–10.47 and aHR = 1.48, 95%CI: 1.06–2.06, respectively) even though the prevalence of these risk factors was similar between races. Smoking (aHR = 2.91, 95%CI: 1.87–4.52) and heavy alcohol consumption (aHR = 1.59, 95%CI: 1.19–2.11) were significantly associated with HCC risk among African Americans only. In this large prospective cohort, we observed racial differences in HCC incidence and risk factors associated with HCC among White and African Americans.

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