--- title: "Disparities in receipt of adjuvant radiation | Sutter Health" description: "Disparities in receipt of adjuvant radiation therapy after breast-conserving surg" url: "https://www.sutterhealth.org/research/publications/disparities-in-receipt-of-adjuvant-radiation-1055312768" --- 1. [Home](https://www.sutterhealth.org/) / 2. [Research](https://www.sutterhealth.org/research) / 3. [Research publications](https://www.sutterhealth.org/research/publications) / 4. Disparities in receipt of adjuvant radiation # Disparities in receipt of adjuvant radiation therapy after breast-conserving surgery among the cancer-reporting regions of California. 2012 May 1;118(9):2516-24. doi: 10.1002/cncr.26542. Epub 2011 Sep 14. Disparities in receipt of adjuvant radiation therapy after breast-conserving surgery among the cancer-reporting regions of California. _Cancer_ 2011-09-14 ## Abstract BACKGROUND: Incidence and mortality of breast cancer vary according to demographic factors such as age, race/ethnicity, socioeconomic status (SES), and geographic region. This study assesses the variation of these factors in the use of adjuvant radiation therapy (RT) after breast-conserving surgery (BCS) among 8 regions of California. METHODS: The authors identified 85,574 cases of first primary female invasive breast cancer with complete data diagnosed between January 1, 2000 and December 31, 2007. Logistic regression was used to determine the association between race/ethnicity, age, SES, and receipt of RT after BCS within each of the regions of California. Odds ratios (ORs) and 95% confidence intervals (CIs) were computed. RESULTS: Age was a significant predictor of receipt of RT after BCS in all regions. In Los Angeles (LA), lower SES was associated with decreasing odds of RT. Racial disparities were evident only in LA, where black (OR, 0.85; 95% CI, 0.74-0.97) and Hispanic (OR, 0.86; 95% CI, 0.78-0.96) women were about 15% less likely to receive RT than white women. CONCLUSIONS: Racial disparities in the receipt of RT after BCS exist only in LA, where African American and Hispanic women are less likely to receive this form of adjuvant treatment. Lower SES was also associated with a reduced likelihood of receipt of RT in LA. Women age 70 years and older are less likely to receive RT after BCS in all regions of California. Copyright © 2011 American Cancer Society. [PubMed abstract](http://www.ncbi.nlm.nih.gov/pubmed/21918967) ## Research topics - [All Cancer](https://www.sutterhealth.org/research-search-results?query=%22%5C%22All+Cancer%5C%22%22) ## Related publications [View all publications](https://www.sutterhealth.org/research-search-results?verticalKey=research_publication) - Publication ### [Breast Cancer Subtypes as Defined by the Estrogen Receptor (ER), Progesterone Receptor (PR), and the Human Epidermal Growth Factor Receptor 2 (HER2) among Women with Invasive Breast Cancer in California](https://www.sutterhealth.org/research/publications/breast-cancer-subtypes-as-defined-by-the-estrogen-1055312635) 1999-2004. Breast J. November/December 2009;15(6):593-602. 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Jerant A1, Kravitz RL, Sohler N, Fiscella K, Romero RL, Parnes B, Tancredi DJ, Aguilar-Gaxiola S, Slee C, Dvorak S, Turner C, Hudnut A, Prieto F, Franks P. Ann Fam Med. 2014 May-Jun;12(3):204-14. doi: 10.1370/afm.1623. Sociopsychological tailoring to address colorectal cancer screening disparities: a randomized controlled trial. 2014 May 30 - Publication ### [Phase II trial of sequential therapy with fludarabine followed by cyclophosphamide, mitoxantrone, vincristine, and prednisone for low-grade follicular lymphomas.](https://www.sutterhealth.org/research/publications/phase-ii-trial-of-sequential-therapy-1055312593) Am J Hematol. 2002 Jul;70(3):181-5. Phase II trial of sequential therapy with fludarabine followed by cyclophosphamide, mitoxantrone, vincristine, and prednisone for low-grade follicular lymphomas. Rohatgi N1, LaRocca RV, Bard V, Sethuraman G, Foon KA. Am J Hematol. 2002 Jul;70(3):181-5. 2002 Jul 20 [View all publications](https://www.sutterhealth.org/research-search-results?verticalKey=research_publication) ```json {"@context":"https://schema.org","@type":"MedicalOrganization","name":"Sutter Health","@id":"https://www.sutterhealth.org/#medicalorganization","url":"https://www.sutterhealth.org","logo":"https://www.sutterhealth.org/static/images/sutter-health-logo.svg","address":{"@type":"PostalAddress","streetAddress":"2200 River Plaza Drive","addressLocality":"Sacramento","addressRegion":"CA","postalCode":"95833","addressCountry":"US"},"areaServed":{"@type":"AdministrativeArea","name":"California"},"sameAs":["https://www.facebook.com/SutterHealth","https://www.instagram.com/sutterhealth/","https://x.com/SutterHealth","https://www.youtube.com/sutterhealth","https://www.linkedin.com/company/sutter-health","https://en.wikipedia.org/wiki/Sutter_Health"]} ``` ```json {"@context":"https://schema.org","@type":"BreadcrumbList","@id":"https://www.sutterhealth.org/research/publications/disparities-in-receipt-of-adjuvant-radiation-1055312768#breadcrumblist","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.sutterhealth.org/"},{"@type":"ListItem","position":2,"name":"Research","item":"https://www.sutterhealth.org/research"},{"@type":"ListItem","position":3,"name":"Research publications","item":"https://www.sutterhealth.org/research/publications"},{"@type":"ListItem","position":4,"name":"Disparities in receipt of adjuvant radiation"}]} ``` ```json {"@context":"https://schema.org","@type":"MedicalScholarlyArticle","@id":"https://www.sutterhealth.org/research/publications/disparities-in-receipt-of-adjuvant-radiation-1055312768#medicalscholarlyarticle","name":"Disparities in receipt of adjuvant radiation therapy after breast-conserving surgery among the cancer-reporting regions of California.","headline":"Disparities in receipt of adjuvant radiation","abstract":"BACKGROUND: Incidence and mortality of breast cancer vary according to demographic factors such as age, race/ethnicity, socioeconomic status (SES), and geographic region. This study assesses the variation of these factors in the use of adjuvant radiation therapy (RT) after breast-conserving surgery (BCS) among 8 regions of California. METHODS: The authors identified 85,574 cases of first primary female invasive breast cancer with complete data diagnosed between January 1, 2000 and December 31, 2007. Logistic regression was used to determine the association between race/ethnicity, age, SES, and receipt of RT after BCS within each of the regions of California. Odds ratios (ORs) and 95% confidence intervals (CIs) were computed. RESULTS: Age was a significant predictor of receipt of RT after BCS in all regions. In Los Angeles (LA), lower SES was associated with decreasing odds of RT. Racial disparities were evident only in LA, where black (OR, 0.85; 95% CI, 0.74-0.97) and Hispanic (OR, 0.86; 95% CI, 0.78-0.96) women were about 15% less likely to receive RT than white women. CONCLUSIONS: Racial disparities in the receipt of RT after BCS exist only in LA, where African American and Hispanic women are less likely to receive this form of adjuvant treatment. Lower SES was also associated with a reduced likelihood of receipt of RT in LA. Women age 70 years and older are less likely to receive RT after BCS in all regions of California. 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