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BMC Cancer

, 10:154

First Online: 21 April 2010Received: 15 July 2009Accepted: 21 April 2010DOI: 10.1186-1471-2407-10-154

Cite this article as: Yavari, P., Barroetavena, M.C., Hislop, T.G. et al. BMC Cancer 2010 10: 154. doi:10.1186-1471-2407-10-154


BackgroundRacial and ethnic disparities in breast cancer incidence, stage at diagnosis, survival and mortality are well documented; but few studies have reported on disparities in breast cancer treatment. This paper compares the treatment received by breast cancer patients in British Columbia BC for three ethnic groups and three time periods. Values for breast cancer treatments received in the BC general population are provided for reference.

MethodsInformation on patients, tumour characteristics and treatment was obtained from BC Cancer Registry BCCR and BC Cancer Agency BCCA records. Treatment among ethnic groups was analyzed by stage at diagnosis and time period at diagnosis. Differences among the three ethnic groups were tested using chi-square tests, Fisher exact tests and a multivariate logistic model.

ResultsThere was no significant difference in overall surgery use for stage I and II disease between the ethnic groups, however there were significant differences when surgery with and without radiation were considered separately. These differences did not change significantly with time. Treatment with chemotherapy and hormone therapy did not differ among the minority groups.

ConclusionThe description of treatment differences is the first step to guiding interventions that reduce ethnic disparities. Specific studies need to examine reasons for the observed differences and the influence of culture and beliefs.

AbbreviationsThe following abbreviations are used in this paper.BCBritish Columbia

BCCRBC Cancer Registry

BCCABC Cancer Agency

UBCUniversity of British Columbia

USUnited States

TMNTumour, Nodes and Metastasis

UICCInternational Union Contra Cancer.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2407-10-154 contains supplementary material, which is available to authorized users.

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Autor: Parvin Yavari - Maria Cristina Barroetavena - T Greg Hislop - Chris D Bajdik


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