Jimmitti Teysir1, Nana Gegechkori2, Juan P Wisnivesky3, Jenny J Lin3. 1. Division of General Internal Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1087, New York, NY, 10029, USA. jimmitti.teysir@icahn.mssm.edu. 2. Division of Internal Medicine, Maimonides Medical Center, 4802 10th Avenue, New York, NY, 11219, USA. 3. Division of General Internal Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1087, New York, NY, 10029, USA.
Abstract
BACKGROUND: Despite lower incidence rates among black women and a national decline in breast cancer (BC) deaths, there is a widening gap in BC mortality rates between black and white women in the United States. A previous study evaluating data from 1992 to 1999 found a racial disparity in the receipt of surveillance mammography. We sought to evaluate whether this disparity persists between black and white women diagnosed with BC between 2000 and 2011. METHODS: Using the SEER-Medicare registry, we conducted an analysis of women ≥ 66 years diagnosed with early-stage (0-III) BC between 2000 and 2011 who underwent BC surgery. The primary outcome was receipt of surveillance mammography within 12 months of surgery. Chi square analyses were used to compare characteristics between black and white women. Multivariate logistic regression was used to assess receipt of surveillance mammography after controlling for potential confounders. RESULTS: There were 3353 black and 40,564 white women in the final cohort. After adjusting for confounders, black women were still 24% less likely than white women to receive surveillance mammography (Odds ratio 0.76, 95% CI 0.70-0.0.82). Those who were married, younger, in the highest income quartile, diagnosed at earlier stages, had a lower comorbidity score, or who resided in metropolitan areas were more likely to receive surveillance mammography (p < 0.05). CONCLUSION(S): We found that older black BC survivors continue to experience lower rates of surveillance mammography, even after adjusting for multiple potential confounders. There remains a need to investigate which individual and systemic factors affect disparities in breast cancer care.
BACKGROUND: Despite lower incidence rates among black women and a national decline in breast cancer (BC) deaths, there is a widening gap in BC mortality rates between black and white women in the United States. A previous study evaluating data from 1992 to 1999 found a racial disparity in the receipt of surveillance mammography. We sought to evaluate whether this disparity persists between black and white women diagnosed with BC between 2000 and 2011. METHODS: Using the SEER-Medicare registry, we conducted an analysis of women ≥ 66 years diagnosed with early-stage (0-III) BC between 2000 and 2011 who underwent BC surgery. The primary outcome was receipt of surveillance mammography within 12 months of surgery. Chi square analyses were used to compare characteristics between black and white women. Multivariate logistic regression was used to assess receipt of surveillance mammography after controlling for potential confounders. RESULTS: There were 3353 black and 40,564 white women in the final cohort. After adjusting for confounders, black women were still 24% less likely than white women to receive surveillance mammography (Odds ratio 0.76, 95% CI 0.70-0.0.82). Those who were married, younger, in the highest income quartile, diagnosed at earlier stages, had a lower comorbidity score, or who resided in metropolitan areas were more likely to receive surveillance mammography (p < 0.05). CONCLUSION(S): We found that older black BC survivors continue to experience lower rates of surveillance mammography, even after adjusting for multiple potential confounders. There remains a need to investigate which individual and systemic factors affect disparities in breast cancer care.
Entities:
Keywords:
Breast cancer; Racial disparity; Surveillance mammography
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