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首页> 美国政府科技报告 >Prior Mammography Utilization: Does It Explain Black-White Differences in BreastCancer Outcomes
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Prior Mammography Utilization: Does It Explain Black-White Differences in BreastCancer Outcomes

机译：之前的乳房X线摄影术：它是否解释了乳腺肿瘤结局的黑白差异

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Older black women are diagnosed with advanced stage breast cancer more frequentlythan whites possibly because they receive fewer mammograms. We investigated the extent to which regular mammography use explains black-white differences in stage at diagnosis among older women with breast cancer. We studied black and white women, aged greater than or equal 67, diagnosed with breast cancer from 1987-1993, residing in three SEER Program areas. Women were classified based on their mammography use during the 2 years before diagnosis: non users (no prior mammograms), regular users (at least 2 mammograms at least 10 months apart), or peri-diagnosis users (only mammogram(s) within 3 months before diagnosis). Stage was classified as early (in situ/local) or late (regional/distant). Black women were more likely to be nonusers of mammography (OR=2.19, 95% Cl, 1.65-2.92) and to be diagnosed with late-stage disease (OR=1 .78,95% Cl, 1.34-2.35) than white women. When stratified by prior mammography use, the black-white difference in stage occurred only among nonusers (adjusted OR=1 .54,95% Cl, 1.04-2.28). Among regular users, blacks and whites were diagnosed at similar stages (adjusted OR=1 .01,95% Cl, 0.54-1.88). These results suggest that differences in stage between older blacks and whites are related to prior mammography use. Increased regular mammography use may result in a shift toward earlier stage disease and narrow observed differences in stage between older black and white women.

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