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Gender-based outcomes differences in unresectable hepatocellular carcinoma.

ABSTRACT: Hepatocellular carcinoma (HCC) is the fifth most common cancer worldwide. HCC is notably more prevalent in males worldwide, with reported male:female ratios ranging from 2:1 to 8:1. The reasons for sex differences in the incidence of HCC are unclear. Furthermore, differences in rates of disease progression and longevity are not well studied and few series have compared the clinicopathologic characteristics of patients and their impact on survival with specific reference to gender in a large sample set.The present study is a large single-institution study of 1138 HCC cases referred to a single individual carried out over a period of 17 years. The primary endpoint measure was over-all survival measured in months, which was defined as the time between the date of diagnosis and date of death. Differences in median survival for each subgroup analysis in survival rates were compared by log rank test.There are differences in both the distribution of evidence of disease progression at the time of diagnosis and the time for survival following diagnosis in patients with HCC between the two genders. Females had a longer survival than males in subsets matched for residual liver function and tumor extension, suggesting that the natural history of HCC is different between men and women.The present study provides evidence that female gender provides a distinct survival advantage over males in unresectable HCC presenting with similar tumor characteristics, liver function, and coexisting liver disease.

SUBMITTER: Buch SC

PROVIDER: S-EPMC2716876 | biostudies-other | 2008 Mar

REPOSITORIES: biostudies-other

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Project description:BACKGROUND & AIMS:Racial and ethnic minorities are reported to have higher mortality related to hepatocellular carcinoma (HCC) than non-Hispanic whites. However, it is not clear whether differences in tumor characteristics or liver dysfunction among racial or ethnic groups affect characterization of causes for this disparity. We aimed to characterize racial and ethnic differences in HCC presentation, treatment, and survival. METHODS:We performed a retrospective study of patients diagnosed with HCC from January 2008 through July 2017 at 2 large health systems in the United States. We used multivariable logistic regression and Cox proportional hazard models to identify factors associated with receipt of curative therapy and overall survival. RESULTS:Among 1117 patients with HCC (35.9% white, 34.3% black, 29.7% Hispanic), 463 (41.5%) were diagnosed with early stage HCC (Barcelona Clinic Liver Cancer stage 0/A) and 322 (28.8%) underwent curative treatment. Hispanic (odds ratio [OR], 0.75; 95% CI, 0.55-1.00) and black patients (OR, 0.74; 95% CI, 0.56-0.98) were less likely to be diagnosed with early stage HCC than white patients. Among patients with early stage HCC, Hispanics were less likely to undergo curative treatment than whites (OR, 0.58; 95% CI, 0.36-0.91). Black patients with early stage HCC were also less likely to undergo curative treatment than white patients, but this difference was not statistically significant (OR, 0.66; 95% CI, 0.43-1.03). Black and Hispanic patients had shorter median survival times than white patients (10.6 and 14.4 mo vs 16.3 mo). After adjusting for type of medical insurance, Child-Pugh class, Barcelona Clinic Liver Cancer stage, and receipt of HCC treatment, black patients had significantly higher mortality (hazard ratio, 1.12; 95% CI, 1.10-1.14) and Hispanic patients had lower mortality (hazard ratio, 0.83; 95% CI, 0.74-0.94) than white patients. CONCLUSIONS:In a retrospective study of patients diagnosed with HCC, we found racial/ethnic differences in outcomes of HCC to be associated with differences in detection of tumors at early stages and receipt of curative treatment. These factors are intervention targets for improving patient outcomes and reducing disparities.

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Gender-based outcomes differences in unresectable hepatocellular carcinoma.

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