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Association of area sociodemographic characteristics and capacity for treatment with disparities in colorectal cancer care and mortality.

Abstract：

BACKGROUND:Disparities in treatment and mortality for colorectal cancer (CRC) may reflect differences in access to specialized care or other characteristics of the area where an individual lives. METHODS:Surveillance, Epidemiology and End Results Program-Medicare data for seniors diagnosed with CRC were linked to area measures of the sociodemographic characteristics and the capacity of surgeons, medical oncologists, and radiation oncologists. Outcomes included receipt of stage-appropriate CRC care and mortality. RESULTS:After adjustment, blacks and Hispanics were less likely than whites to undergo surgery (odds ratio [OR] 0.57, 95% confidence interval (CI) 0.52-0.63 and OR 0.82, 95% CI 0.70-0.95, respectively). Individuals who lived in areas with the highest tertile of surgeon capacity were more likely to undergo resection than those in the lowest, and use of surgery declined as the percentage of blacks in the area increased. Adjustment for the area measures resulted in a modest decline in disparities in care relative to whites (5.3% for black). Blacks also experienced greater all-cause and cancer-specific mortality than whites. Further adjustment for area sociodemographics and surgeon capacity reduced the disparity in mortality between blacks and whites. Although there was a similar black/white disparity in the use of adjuvant chemotherapy, the disparity remained after adjustment for area characteristics, although use of chemotherapy was greater in areas with the greatest capacity of medical oncologists. CONCLUSIONS:Sociodemographic characteristics and measures of the availability of specialized cancer providers in the area in which an individual resides modestly mediated disparities in the receipt of CRC care and mortality, suggesting that other factors may also be important.

journal_name

Cancer

journal_title

Cancer

authors

Haas JS,Brawarsky P,Iyer A,Fitzmaurice GM,Neville BA,Earle C

doi

10.1002/cncr.26034

subject

Has Abstract

pub_date

2011-09-15 00:00:00

pages

4267-76

issue

eissn

0008-543X

issn

1097-0142

journal_volume

117

pub_type

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Association of area sociodemographic characteristics and capacity for treatment with disparities in colorectal cancer care and mortality.