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2003 NOV 6 - (NewsRx.com & NewsRx.net) -- Lower white blood cell counts in African American women with early-stage breast cancer can lead to delays in treatment when compared with Caucasian women with the same stage of disease, according to a new study by physician-scientists at Columbia Presbyterian Medical Center at New York-Presbyterian Hospital.
The treatment delays may explain racial differences in breast cancer survival, suggest the authors of the study, which appeared in the October 15, 2003, Journal of the National Cancer Institute.
Dr. Dawn Hershman and her colleagues studied 73 black American and 126 white women, and of these, 43 black and 93 white women were treated with chemotherapy.
Confirming earlier research, the study found that African American women had white blood cell counts that are on average 25% to 40% lower than those of women of European-American ancestry. The study found that the African American women required a comparatively longer treatment duration (19 weeks versus 15 weeks).
"This difference in dose intensity may contribute to the observed disparities in survival between African American women and Caucasian women with breast cancer," the researchers wrote.
Research has shown that risk of death for African American women is 67% higher than for ...
Source: HighBeam Research, Lower white blood cell counts in black women may limit treatment and...