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- Title
Association Between Race and Survival of Patients With Non--Small-Cell Lung Cancer in the United States Veterans Affairs Population.
- Authors
Ganti, Apar Kishor; Subbiah, Shanmuga P.; Kessinger, Anne; Gonsalves, Wilson I.; Silberstein, Peter T.; Loberiza Jr., Fausto R.
- Abstract
An analysis of the Veterans Affairs Central Cancer Registry was conducted to determine whether racial disparities in non-small-cell lung cancer (NSCLC) outcomes exist in veterans. Among the 82,414 patients analyzed, African American patients had worse prognostic factors, but a better overall survival than Caucasians. In a single payer system with accessible healthcare, racial differences in NSCLC outcomes were absent. Background: Racial disparities in outcomes of non-small-cell lung cancer (NSCLC) patients in the United States are well documented. A retrospective analysis of patients in the Veterans Affairs Central Cancer Registry was conducted to determine whether similar disparities exist in a population with a single-payer, accessible health care system. Patients and Methods: Demographic data of patients diagnosed with NSCLC between January 1995 and February 2009 were analyzed using Kruskal-Wallis test or the χ² test. Multivariate Cox proportional hazards regression analysis was used to compare survival among races. Results: Of the 82,414 patients, 98% were male, 82% had a smoking history, and 81% were Caucasian. Caucasian individuals had better prognostic features compared with African-American individuals (stage I/II [24% vs. 21%]; Grade I/II [21% vs. 17%]). A larger proportion of Caucasian compared with African-American individuals received stage-appropriate treatment (surgery for stage I [48% vs. 41 %; P < .001]; chemotherapy for stage IV [18% vs. 16%; P = .003]). African-American individuals had a lower risk of mortality compared with Caucasian individuals (hazard ratio, 0.94; 95% confidence interval, 0.92-0.96). Conclusion: Although African-American patients had a higher stage and grade of NSCLC, they had a better overall survival than Caucasian patients. In a single-payer system with accessible health care, previously described racial differences in lung cancer outcomes were not observed.
- Publication
Clinical Lung Cancer, 2014, Vol 15, Issue 2, p152
- ISSN
1525-7304
- Publication type
Article
- DOI
10.1016/j.cllc.2013.11.004