Infiltrating ductal carcinoma of the breast: The survival impact of race

被引:31
作者
Edwards, MJ
Gamel, JW
Vaughan, WP
Wrightson, WR
机构
[1] Univ Louisville, Dept Surg, Louisville, KY 40292 USA
[2] Univ Louisville, Dept Ophthalmol & Visual Sci, Louisville, KY 40292 USA
[3] Vet Affairs Med Ctr, Louisville, KY USA
[4] Univ Alabama, Birmingham, AL USA
关键词
D O I
10.1200/JCO.1998.16.8.2693
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Purpose: Breast cancer has a poorer prognosis among black women than among white women. This review was conducted to determine whether this disparity reflects the direct impact of race on likelihood of cure or on time ta death from breast cancer or stems from the interaction of race with tumor stage and patient age. Patients and Methods: We analyzed data from 115,838 patients with localized(node-negative) and regionally metastatic (node-positive) breast cancer from the Surveillance, Epidemiology, and End-Results (SEER) Program of the National Cancer Institute. Parametric analysis was used to determine the independent prognostic value of age, stage, and race. Linear regression and distribution analyses were also used to examine the interaction of these covariates. Results: The prevalence of regionally metastatic disease, relative to localized disease, declined with increased age among white patients and those classified as "other," but remained relatively constant among black patients. Parametric analysis showed a smaller cured fraction and shorter time to death when patients with regional disease were compared with those with localized disease. A similar disparity was found when black patients were compared with those classified as white or other. Conclusion: Age and race have a significant association with tumor stage. In addition, our data show that race has an independent impact on the clinical course of breast cancer and diminishes both the likelihood of cure and time to death among uncured patients. J Clin Oncol 16: 2693-2699. (C) 1998 by American Society of Clinical Oncology.
引用
收藏
页码:2693 / 2699
页数:7
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