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Racial differences in breast carcinoma survival.

S A Joslyn1, M M West

  • 1University of Northern Iowa, Cedar Falls, Iowa 50614-0241, USA.

Cancer
|January 5, 2000
PubMed
Summary
This summary is machine-generated.

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African American women with breast carcinoma have a worse survival rate compared to white women. This disparity persists regardless of other factors, indicating race is an independent predictor of outcomes.

Area of Science:

  • Oncology
  • Epidemiology
  • Cancer Research

Background:

  • Breast carcinoma survival rates are notably lower for African American women.
  • The underlying reasons for this survival disparity remain largely unknown.
  • This study investigates racial differences in breast carcinoma survival using national data.

Purpose of the Study:

  • To update survival reports from the National Surveillance, Epidemiology, and End Results Program.
  • To specifically examine the impact of race on breast carcinoma survival outcomes.
  • To identify potential contributing factors to observed racial disparities.

Main Methods:

  • Analysis of 135,424 women diagnosed with primary breast carcinoma (1988-1995).
  • Comparison of patient demographics, tumor characteristics, and survival by race.

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  • Inclusion of variables such as age, tumor stage, hormone receptor status, and histology.

    • Main Results:

    • African American women (n=11,159) faced a significantly higher risk of death from breast carcinoma and all cancers versus white women (n=124,265).
    • African American women were diagnosed younger, more often presented with advanced-stage disease, and had poorer survival within each stage.
    • Tumor characteristics differed, with African American women less likely to have hormone receptor-positive tumors and more likely to have inflammatory or medullary histology.

    Conclusions:

    • Race is confirmed as an independent predictor of breast carcinoma survival.
    • Findings align with previous population-based studies on racial disparities in breast cancer.
    • Results are supported by research on racial differences in breast carcinoma molecular biology, reinforcing epidemiologic credibility.