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Ethnic differences in bladder cancer survival
David S Yee1, Nicole M Ishill, William T Lowrance
1Department of Surgery, University of Utah, Salt Lake City, Utah, USA. yeed1@sutterhealth.org
Urology
|July 26, 2011
Summary
Blacks have poorer bladder cancer survival rates compared to other ethnic groups, despite some improvements over time. These persistent racial disparities highlight the need for further investigation into care access and quality for Black patients.
Area of Science:
- Urology
- Oncology
- Public Health
Background:
- Racial disparities in bladder cancer outcomes are documented, with Black individuals experiencing poorer survival.
- Limited data exists on bladder cancer survival for other ethnic minority groups in the U.S.
Purpose of the Study:
- To analyze 30-year trends in bladder cancer survival across White, Black, Hispanic, and Asian/Pacific Islander populations in the U.S.
- To identify and compare ethnic variations in bladder cancer outcomes.
Main Methods:
- Utilized Surveillance, Epidemiology, and End Results (SEER) cancer registry data from 1975-2005.
- Analyzed a cohort of 163,973 White, 7,731 Black, 7,364 Hispanic, and 5,934 Asian/Pacific Islander patients diagnosed with transitional cell carcinoma of the bladder.
- Estimated disease-specific 5-year survival rates stratified by ethnicity, stage, and grade.
Main Results:
- Black patients presented with higher-stage bladder cancer compared to other ethnic groups.
- Five-year disease-specific survival was consistently lower for Black patients (70.2%) versus Whites (82.8%), Hispanics (80.7%), and Asian/Pacific Islanders (81.9%).
- A persistent survival disadvantage for Black patients was observed over the 30-year study period, irrespective of disease stage or grade.
Conclusions:
- Significant ethnic disparities in bladder cancer survival persist between White and Black populations.
- Survival rates for Hispanic and Asian/Pacific Islander groups were comparable to White individuals.
- Further research into healthcare access, quality of care, and treatment decisions is crucial to address survival gaps in Black patients.
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