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Arch Surg. 2010 Dec;145(12):1158-63. doi: 10.1001/archsurg.2010.272.

Racial/ethnic disparities in access to care and survival for patients with early-stage hepatocellular carcinoma.

Author information

1
Department of Surgery, University of Michigan, Ann Arbor, 48109, USA.

Abstract

OBJECTIVE:

To determine whether controlling for differences in the use of invasive therapy affects racial/ethnic differences in survival of early-stage hepatocellular carcinoma (HCC).

DESIGN:

A retrospective cohort study using Surveillance, Epidemiology, and End Results (SEER) HCC data. Invasive therapy was defined as tumor ablation, hepatectomy, or liver transplant. Race/ethnicity was defined as white, black, Asian, Hispanic, or other. Racial/ethnic differences in overall and treatment-adjusted survival were assessed using the Kaplan-Meier method and base- and treatment-stratified multivariable Cox proportional hazards models.

PATIENTS:

All patients diagnosed as having stage I or II HCC from January 1, 1995, through December 31, 2006 (N = 13 244).

SETTING:

Data were obtained from the National Cancer Institute's SEER registry.

MAIN OUTCOME MEASURES:

Differences in survival by race/ethnicity accounting for the use of invasive therapy and treatment benefit.

RESULTS:

Overall, 32.8% of patients received invasive therapy. We found higher mortality rates in the base survival model for black (hazard ratio [HR], 1.24; 95% confidence interval [CI], 1.15-1.33) and Hispanic (1.08; 1.01-1.15) patients and lower mortality rates in Asian patients (0.87; 0.82-0.93) compared with whites. After treatment stratification, compared with white patients, blacks had a 12% higher mortality rate (HR, 1.11; 95% CI, 1.03-1.20), Hispanics had a similar mortality rate (0.97; 0.91-1.04), and Asians had a 16% lower mortality rate (0.84; 0.79-0.89).

CONCLUSIONS:

For early-stage HCC, racial/ethnic disparities in survival between minority and white patients are notable. After accounting for differences in stage, use of invasive therapy, and treatment benefit, no racial/ethnic survival disparity is evident between Hispanics and whites, but blacks have persistently poor survival.

PMID:
21173289
DOI:
10.1001/archsurg.2010.272
[Indexed for MEDLINE]

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