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Kantor O, King TA, Jones A, Glass C, Leonard SJ, Ogayo ER, Mayer EL, Chavez-MacGregor M, Newman LA, Freedman RA, Mittendorf EA. Racial and Ethnic Disparities in Outcomes After Breast-Conserving Therapy and Endocrine Therapy for DCIS: A Post-Hoc Analysis of the NSABP B-35 Randomized Clinical Trial. Ann Surg Oncol 2023; 30:8404-8411. [PMID: 37777685 DOI: 10.1245/s10434-023-14344-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 08/14/2023] [Indexed: 10/02/2023]
Abstract
BACKGROUND Racial and ethnic disparities in outcomes after treatment for ductal carcinoma in situ (DCIS) are largely unknown. The objective of this study was to examine breast cancer outcomes by race and ethnicity in the National Surgical Adjuvant Breast and Bowel Project (NSABP) B-35 clinical trial. PATIENTS AND METHODS The NSABP B-35 trial randomized postmenopausal women with hormone receptor-positive DCIS treated with breast-conserving therapy to 5 years of tamoxifen or anastrozole. In total, 3104 women were enrolled between 2003 and 2006. For this analysis, patients without complete self-reported race and ethnicity or with immediate trial dropout were excluded. Kaplan-Meier curves and adjusted Cox-proportional hazards models were used for analyses. RESULTS Of the 3061 women included, 2614 (85.4%) were non-Hispanic white (NHW), 255 (8.3%) were non-Hispanic Black (NHB), 95 (3.1%) were Hispanic, and 96 (3.1%) were Asian or Pacific Islander (API). Endocrine therapy assignment and duration were well balanced between racial and ethnic groups. Median follow-up was 9 years; unadjusted Kaplan-Meier curves did not show any racial differences in disease events. Adjusted Cox-proportional hazards models found API (versus NHW) race to be associated with higher local recurrence [hazard ratio (HzR) 2.45, p = 0.035] and NHB race to be associated with higher distant recurrence (HzR 5.03, p = 0.020) and breast cancer mortality (HzR 3.83, p = 0.046). CONCLUSIONS Despite similar locoregional treatments and standard endocrine therapy in a clinical trial population, racial and ethnic disparities exist in long-term outcomes for hormone-receptor-positive DCIS. These findings suggest that factors outside of access and treatment may impact DCIS outcomes by race and ethnicity.
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Affiliation(s)
- Olga Kantor
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA.
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA.
- Harvard Medical School, Boston, MA, USA.
| | - Tari A King
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Alyssa Jones
- Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, MA, USA
| | - Charity Glass
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
| | - Saskia J Leonard
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
| | - Esther R Ogayo
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
| | - Erica L Mayer
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Mariana Chavez-MacGregor
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Lisa A Newman
- Department of Surgery, Weill-Cornell Medicine, New York, NY, USA
| | - Rachel A Freedman
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Elizabeth A Mittendorf
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
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O'Keefe TJ, Chau H, Harismendy O, Wallace AM. Risk factors for breast cancer mortality after ductal carcinoma in situ diagnosis differ from those for invasive recurrence. Surgery 2023; 173:305-311. [PMID: 36435650 DOI: 10.1016/j.surg.2022.10.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 09/12/2022] [Accepted: 10/06/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Breast cancer mortality after ductal carcinoma in situ is rare, making it difficult to predict which patients are at risk and to identify whether risk factors for this outcome are the same as those for invasive recurrence. We aimed to identify whether risk factors for invasive recurrences are similar to those for breast cancer death after a diagnosis of pure ductal carcinoma in situ. METHODS The Surveillance, Epidemiology, and End Results Program was queried for female patients diagnosed with pure ductal carcinoma in situ. Cumulative incidence was estimated by treatment group using competing risks. Competing risks regression was then performed for the development of in-breast invasive recurrence with competing risks of breast and non-breast cancer death. Competing risks regression was then again performed for development of breast cancer mortality with the competing risk of non-breast cancer death. RESULTS A total of 29,515 patients were identified. Of them, 164 patients suffered breast cancer mortality without an intervening invasive recurrence, and 44 suffered breast cancer mortality after an invasive in-breast recurrence. On competing risks analysis for invasive in-breast recurrence, significant factors included lesion size >5 cm (hazard ratio = 1.59, 95% confidence interval 1.24-2.04, P < .001), diffuse disease (hazard ratio = 0.0005, 95% confidence interval 0.0003-0.0007, P < .001), other race (hazard ratio = 1.29, 95% confidence interval 1.10-1.52, P = .002), Black race (hazard ratio = 1.21, 95% confidence interval 1.01-1.46, P = .04), age at diagnosis (hazard ratio = 0.99, confidence interval 0.98-1.00, P = .02), low-grade disease (hazard ratio = 0.79, 95% confidence interval 0.64-0.96, P = .02), lumpectomy with radiation (hazard ratio = 0.67, 95% confidence interval 0.58-0.77, P < .001), and mastectomy (hazard ratio = 0.36, 95% confidence interval 0.30-0.44, P < .001). Significant factors for breast cancer mortality included age at diagnosis (hazard ratio = 1.04, 95% confidence interval 1.03-1.05, P < .001), Black race (hazard ratio = 2.88, 95% confidence interval 2.08-3.99, P < .001), diffuse disease (hazard ratio = 6.02, 95% confidence interval 1.39-26.07, P = .02), lumpectomy with radiation (hazard ratio = 0.51, 95% confidence interval 0.36-0.72, P < .001), and mastectomy (hazard ratio = 0.60, 95% confidence interval 0.50-0.92, P = .02). CONCLUSION Our results suggested that risk factors for in-breast invasive recurrence after a diagnosis of pure ductal carcinoma in situ differ from risk factors for breast cancer mortality and development of metastatic recurrence. In-breast invasive recurrence is not the only consideration for breast cancer specific mortality in ductal carcinoma in situ patients.
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Affiliation(s)
- Thomas J O'Keefe
- Division of Breast Surgery and the Comprehensive Breast Health Center, University of California San Diego, La Jolla, CA.
| | - Harrison Chau
- Division of Breast Surgery and the Comprehensive Breast Health Center, University of California San Diego, La Jolla, CA
| | - Olivier Harismendy
- Moores Cancer Center and Division of Biomedical Informatics, Department of Medicine, University of California San Diego, La Jolla, CA
| | - Anne M Wallace
- Division of Breast Surgery and the Comprehensive Breast Health Center, University of California San Diego, La Jolla, CA
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Factors influencing the initiation of adjuvant endocrine therapy in patients with estrogen receptor-positive ductal carcinoma in situ: a single institution experience. Breast Cancer Res Treat 2022; 196:207-213. [PMID: 36083381 PMCID: PMC9550728 DOI: 10.1007/s10549-022-06735-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 08/28/2022] [Indexed: 11/22/2022]
Abstract
Purpose This study evaluates whether race, socioeconomic status, insurance type, oncological provider type, and prior cancer treatment are associated with the suggestion and acceptance of hormonal therapy in patients with estrogen receptor (ER)-positive Ductal carcinoma in situ (DCIS). This study also assesses whether disparities exist pertaining to prescription of such medications. Methods This single-center retrospective study included 111 patients diagnosed with DCIS between 2020 and 2021. Data collected included race, type of insurance, prescribing providers, and socioeconomic status. We used zip codes to identify the poverty levels in these areas as published in the United States Census Bureau and stratified the patients into quartiles accordingly. Chi-Square statistics were used to calculate significance levels. Results There was no significant correlation between the intake of hormonal therapy and race (p = 0.60), insurance (p = 0.50), socioeconomic (p = 0.58), or providers (p = 0.99). 79.3% of women were offered endocrine therapy. Of those who were offered endocrine therapy, 70.8% accepted. Of patients not on hormonal therapy, 45.8% were not recommended the medications by their provider, and 54.2% declined treatment when offered. Conclusion In this study, patients’ demographics and providers were not associated with adjuvant hormonal therapy initiation in DCIS. Our results show that abstaining from endocrine therapy in DCIS patients is both due to lack of provider recommendation and patient rejection of these medications. The wide variation in hormonal therapy treatment among ER-positive DCIS patients suggests a need for improved provider-patient communication regarding the risks and benefits of endocrine therapy in order to ensure a shared decision-making process.
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Dania V, Liu Y, Ademuyiwa F, Weber JD, Colditz GA. Associations of race and ethnicity with risk of developing invasive breast cancer after lobular carcinoma in situ. Breast Cancer Res 2019; 21:120. [PMID: 31727116 PMCID: PMC6854630 DOI: 10.1186/s13058-019-1219-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 10/23/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Lobular carcinoma in situ (LCIS) of the breast is a risk factor of developing invasive breast cancer. We evaluated the racial differences in the risks of subsequent invasive breast cancer following LCIS. METHODS We utilized data from the Surveillance, Epidemiology, and End Results registries to identify 18,835 women diagnosed with LCIS from 1990 to 2015. Cox proportional hazards regression was used to estimate race/ethnicity-associated hazard ratios (HRs) and corresponding 95% confidence intervals (CIs) of subsequent invasive breast cancer. RESULTS During a median follow-up of 90 months, 1567 patients developed invasive breast cancer. The 10-year incidence was 7.9% for Asians, 8.2% for Hispanics, 9.3% for whites, and 11.2% for blacks (P = 0.046). Compared to white women, black women had significantly elevated risks of subsequent invasive breast cancer (HR 1.33; 95% CI 1.11, 1.59), and invasive cancer in the ipsilateral breast (HR 1.37; 95% CI 1.08, 1.72) and in the contralateral breast (HR 1.33; 95% CI 1.00, 1.76). Black women had significantly higher risks of invasive subtypes negative for both estrogen receptor and progesterone receptor (HR 1.86; 95% CI 1.14, 3.03) and invasive subtypes positive for one or both of receptors (HR 1.30; 95% CI 1.07, 1.59). The risk of subsequent invasive breast cancer was comparable in Asian women and Hispanic women compared with white women. CONCLUSIONS Black women had a significantly higher risk of developing invasive breast cancer, including both hormone receptor-positive and hormone receptor-negative subtypes, after LCIS compared with white counterparts. It provides an opportunity to address health disparities.
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Affiliation(s)
- Vanessa Dania
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8100, St. Louis, MO, 63110, USA
| | - Ying Liu
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8100, St. Louis, MO, 63110, USA.,Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA
| | - Foluso Ademuyiwa
- Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA.,Oncology Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Jason D Weber
- Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA.,Division of Molecular Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Graham A Colditz
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8100, St. Louis, MO, 63110, USA. .,Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO, USA.
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Liu Y, West R, Weber JD, Colditz GA. Race and risk of subsequent aggressive breast cancer following ductal carcinoma in situ. Cancer 2019; 125:3225-3233. [PMID: 31120565 PMCID: PMC6717007 DOI: 10.1002/cncr.32200] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 04/22/2019] [Accepted: 04/30/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND General populations of black women have a higher risk of developing breast cancer negative for both estrogen receptor (ER) and progesterone receptor (PR) in comparison with white counterparts. Racial differences remain unknown in the risk of developing aggressive invasive breast cancer (IBC) that is characterized by negativity for both ER and PR (ER-PR-) or higher 21-gene recurrence scores after ductal carcinoma in situ (DCIS). METHODS This study identified 163,892 women (10.5% black, 9.8% Asian, and 8.6% Hispanic) with incident DCIS between 1990 and 2015 from the Surveillance, Epidemiology, and End Results data sets. Cox proportional hazards regression was used to estimate hazards ratios (HRs) of subsequent IBC classified by the hormone receptor status and 21-gene recurrence scores. RESULTS During a median follow-up of 90 months, 8333 women developed IBC. In comparison with white women, the adjusted HR of subsequent ER-PR- breast cancer was 1.86 (95% confidence interval [CI], 1.57-2.20) for black women (absolute 10-year difference, 2.2%) and 1.40 (95% CI, 1.14-1.71) for Asian women (absolute 10-year difference, 0.4%); this was stronger than the associations for ER+ and/or PR+ subtypes (Pheterogeneity = .0004). The 21-gene recurrence scores of subsequent early-stage, ER+ IBCs varied by race/ethnicity (Pheterogeneity = .057); black women were more likely than white women to have a recurrence score of 26 or higher (HR, 1.38; 95% CI, 1.00-1.92). No significant difference was observed in the risks of subsequent IBC subtypes for Hispanic women. CONCLUSIONS Black and Asian women with DCIS had higher risks of developing biologically aggressive IBC than white counterparts. This should be considered in treatment decisions for black and Asian patients with DCIS.
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MESH Headings
- Adult
- Black or African American/statistics & numerical data
- Aged
- Aged, 80 and over
- Asian/statistics & numerical data
- Breast Neoplasms/ethnology
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Carcinoma, Intraductal, Noninfiltrating/epidemiology
- Carcinoma, Intraductal, Noninfiltrating/metabolism
- Carcinoma, Intraductal, Noninfiltrating/pathology
- Female
- Hispanic or Latino/statistics & numerical data
- Humans
- Incidence
- Male
- Middle Aged
- Neoplasm Invasiveness
- Neoplasms, Second Primary/ethnology
- Neoplasms, Second Primary/metabolism
- Neoplasms, Second Primary/pathology
- Proportional Hazards Models
- Receptors, Estrogen/metabolism
- Receptors, Progesterone/metabolism
- Risk
- SEER Program
- United States/epidemiology
- White People/statistics & numerical data
- Young Adult
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Affiliation(s)
- Ying Liu
- Division of Public Health Sciences, Department of SurgeryWashington University School of MedicineSt. LouisMissouri
- Alvin J. Siteman Cancer CenterBarnes‐Jewish Hospital and Washington University School of MedicineSt. LouisMissouri
| | - Robert West
- Department of PathologyStanford University School of MedicineStanfordCalifornia
| | - Jason D. Weber
- Alvin J. Siteman Cancer CenterBarnes‐Jewish Hospital and Washington University School of MedicineSt. LouisMissouri
- Division of Molecular Oncology, Department of MedicineWashington University School of MedicineSt. LouisMissouri
| | - Graham A. Colditz
- Division of Public Health Sciences, Department of SurgeryWashington University School of MedicineSt. LouisMissouri
- Alvin J. Siteman Cancer CenterBarnes‐Jewish Hospital and Washington University School of MedicineSt. LouisMissouri
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Zhang S, Liu Y, Yun S, Lian M, Komaie G, Colditz GA. Impacts of Neighborhood Characteristics on Treatment and Outcomes in Women with Ductal Carcinoma In Situ of the Breast. Cancer Epidemiol Biomarkers Prev 2018; 27:1298-1306. [PMID: 30108100 DOI: 10.1158/1055-9965.epi-17-1102] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 01/29/2018] [Accepted: 08/06/2018] [Indexed: 11/16/2022] Open
Abstract
Background: This study examines associations of neighborhood characteristics with treatment and outcomes of ductal carcinoma in situ (DCIS) of the breast.Methods: From the Missouri Cancer Registry, we identified 9,195 women with DCIS diagnosed between 1996 and 2011. A composite index using U.S. Census data and American Community Survey data was developed to assess census tract-level socioeconomic deprivation, and rural-urban commuting area codes were used to define rural census tracts. ORs and 95% confidence intervals (CIs) of the treatment were estimated using logistic regression. Hazard ratios (HRs) of DCIS outcomes were estimated using Cox proportional hazards regression.Results: Women in the most socioeconomically deprived census tracts were more likely than those in the least deprived to have mastectomy (OR = 1.44; 95% CI, 1.25-1.66; P trend < 0.0001), no surgery (OR = 1.54; 95% CI, 1.02-2.30; P trend = 0.04), no radiotherapy post-breast conserving surgery (OR = 1.90; 95% CI, 1.56-2.31; P trend<0.0001), delayed radiotherapy (OR = 1.26; 95% CI, 1.01-1.57; P trend = 0.02), and ipsilateral breast tumors (HR = 1.59; 95% CI, 1.07-2.38; P trend = 0.03). There was no significant difference in risk of contralateral breast tumors. Compared with urban women, rural women had significantly higher odds of underutilization of radiotherapy (OR = 1.29; 95% CI, 1.08-1.53). Rural locations were not associated with risk of ipsilateral or contralateral breast tumors.Conclusions: Neighborhood socioeconomic deprivation was associated with higher risks of suboptimal treatment and ipsilateral breast tumors. While DCIS treatment significantly varied by rural/urban locations, we did not observe any statistically significant rural-urban differences in risks of second breast tumors.Impact: Neighborhood attributes may affect treatment and outcomes of patients with DCIS. Cancer Epidemiol Biomarkers Prev; 27(11); 1298-306. ©2018 AACR.
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Affiliation(s)
- Shiyang Zhang
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Ying Liu
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri.,Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, Missouri
| | - Shumei Yun
- Missouri Department of Mental Health, Jefferson City, Missouri
| | - Min Lian
- Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, Missouri.,Division of General Medical Sciences, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri
| | - Goldie Komaie
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Graham A Colditz
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri. .,Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, Missouri
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Shurell E, Olcese C, Patil S, McCormick B, Van Zee KJ, Pilewskie ML. Delay in radiotherapy is associated with an increased risk of disease recurrence in women with ductal carcinoma in situ. Cancer 2017; 124:46-54. [PMID: 28960259 DOI: 10.1002/cncr.30972] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 07/31/2017] [Accepted: 08/08/2017] [Indexed: 11/10/2022]
Abstract
BACKGROUND The current study was conducted to examine the association between ipsilateral breast tumor recurrence (IBTR) and the timing of radiotherapy (RT) in women with ductal carcinoma in situ (DCIS) undergoing breast-conserving surgery (BCS). METHODS Women with DCIS who were treated with BCS and RT from 1980 through 2010 were identified from a prospectively maintained database. IBTR rates, measured from the time of RT completion, were compared between those who initiated RT ≤8 weeks, >8 to 12 weeks, and >12 weeks after the completion of surgery. The association between RT timing and IBTR was evaluated by Kaplan-Meier and log-rank analyses; Cox modeling was used for multivariable analysis. RESULTS A total of 1323 women met the inclusion criteria. The median follow-up was 6.6 years, with 311 patients followed for ≥10 years. A total of 126 IBTR events occurred. Patients were categorized by RT timing: 806 patients (61%) with timing of ≤8 weeks, 386 patients (29%) with timing of >8 to 12 weeks, and 131 patients (10%) with timing >12 weeks. The 5-year and 10-year IBTR rates were 5.8% and 13.0%, respectively, for RT starting ≤8 weeks after surgery; 3.8% and 7.6%, respectively, for RT starting >8 to 12 weeks after surgery; and 8.8% and 23.0%, respectively, for an RT delay >12 weeks after surgery (P = .004). On multivariable analysis, menopause (hazard ratio [HR], 0.54; P = .0009) and endocrine therapy (HR, 0.45; P = .002) were found to be protective against IBTR, whereas a delay in RT >12 weeks compared with ≤8 weeks was associated with a higher risk of IBTR (HR, 1.92; P = .014). There was no difference in IBTR noted between RT initiation at ≤8 weeks and initiation at >8 to 12 weeks after BCS (P = .3). CONCLUSIONS A delay in RT >12 weeks is associated with a significantly higher risk of IBTR in women undergoing BCS for DCIS. Efforts should be made to avoid delays in starting RT to minimize the risk of disease recurrence. Cancer 2018;124:46-54. © 2017 American Cancer Society.
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Affiliation(s)
- Elizabeth Shurell
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Cristina Olcese
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sujata Patil
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Beryl McCormick
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kimberly J Van Zee
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Melissa L Pilewskie
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
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Ogunsina K, Naik G, Vin-Raviv N, Akinyemiju TF. Sequential matched analysis of racial disparities in breast cancer hospitalization outcomes among African American and White patients. Cancer Epidemiol 2017. [PMID: 28623836 DOI: 10.1016/j.canep.2017.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND The purpose of this study is to determine if racial disparities in inpatient outcomes persist among hospitalized patients comparing African American and White breast cancer patients matched on demographics, presentation and treatment. METHODS A total of 136,211 African American and White breast cancer patients from the Healthcare Cost and Utilization Project - Nationwide Inpatient Sample (HCUP-NIS) database, matched on demographics alone, demographics and presentation or demographics, presentation and treatment were studied. Conditional logistic regression was conducted to evaluate post-surgical complications, length of stay and in-hospital mortality outcomes. Analysis was further stratified by age (≤65 years and >65years) to evaluate whether disparities were larger in younger or older patients. All analysis was conducted using SAS 9.3. RESULTS White women had significantly shorter hospital length of stay when matched on demographics (β=-0.87, p-value=<0.0001), demographics and presentation (β=-0.63, p-value=<0.0001), and demographics, presentation and treatment (β=-0.51, p-value=<0.0001) compared with African Americans. White women also had lower odds of mortality compared with African American women when matched on demographics (OR: 0.72, 95% CI: 0.65-0.79), demographics and presentation (OR: 0.77, 95% CI: 0.71-0.85), or matched on demographics, presentation and treatment (OR: 0.80, 95% CI: 0.73-0.88). The racial difference observed in length of stay and mortality was larger in the age group ≤65 years compared with >65years CONCLUSION: African American women experienced higher odds of inpatient mortality and longer length of stay compared with White women even after accounting for differences in demographics, presentation and treatment characteristics.
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Affiliation(s)
- Kemi Ogunsina
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham AL, United States
| | - Gurudatta Naik
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham AL, United States; Comprehensive Cancer Center. University of Alabama at Birmingham, Birmingham AL, United States
| | - Neomi Vin-Raviv
- University of Northern Colorado Cancer Rehabilitation Institute, Greeley, CO, United States; School of Social Work, College of Health and Human Sciences, Colorado State University, Fort Collins, CO, United States
| | - Tomi F Akinyemiju
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham AL, United States; Comprehensive Cancer Center. University of Alabama at Birmingham, Birmingham AL, United States.
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