• Mita Sanghavi Goel, Risa B Burns, Russell S Phillips, Roger B Davis, Quyen Ngo-Metzger, and Ellen P McCarthy.
• Division of General Internal Medicine, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. mgoel@nmff.org
• J Gen Intern Med. 2005 Jul 1; 20 (7): 604611604-11.

BackgroundBreast-conserving surgery (BCS) has been the recommended treatment for early-stage breast cancer since 1990 yet many women still do not receive this procedure.ObjectiveTo examine the relationship between birthplace and use of BCS in Asian-American and Pacific-Islander (AAPI) women, and to determine whether disparities between white and AAPI women persist over time.DesignRetrospective cohort study.Setting And ParticipantsWomen with newly diagnosed stage I or II breast cancer from 1992 to 2000 in the Surveillance, Epidemiology, and End Results program.OutcomeReceipt of breast -conserving surgery for initial treatment of stage I or II breast cancer.Main ResultsOverall, AAPI women had lower rates of BCS than white women (47% vs 59%; P<.01). Foreign-born AAPI women had lower rates of BCS than U.S.-born AAPI and white women (43% vs 56% vs 59%; P<.01). After adjustment for age, marital status, tumor registry, year of diagnosis, stage at diagnosis, tumor size, histology, grade, and hormone receptor status, foreign-born AAPI women (adjusted OR [aOR], 0.49; 95% CI, 0.32 to 0.76) and U.S.-born AAPI women (aOR, 0.77; 95% CI, 0.62 to 0.95) had lower odds of receiving BCS than white women. Use of BCS increased over time for each racial/ethnic group; however, foreign-born AAPI women had persistently lower rates of BCS than non-Hispanic white women.ConclusionsAAPI women, especially those who are foreign born, are less likely to receive BCS than non-Hispanic white women. Of particular concern, differences in BCS use among foreign-born and U.S.-born AAPI women and non-Hispanic white women have persisted over time. These differences may reflect inequities in the treatment of early-stage breast cancer for AAPI women, particularly those born abroad.

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