PMID- 36695990 OWN - NLM STAT- MEDLINE DCOM- 20230613 LR - 20231117 IS - 1534-4681 (Electronic) IS - 1068-9265 (Linking) VI - 30 IP - 7 DP - 2023 Jul TI - Racial Segregation Among Patients with Cholangiocarcinoma-Impact on Diagnosis, Treatment, and Outcomes. PG - 4238-4246 LID - 10.1245/s10434-023-13122-1 [doi] AB - BACKGROUND: Racial segregation, an effect of historical marginalization, may impact cancer care and outcomes. We sought to examine the impact of racial segregation on the diagnosis, treatment, and outcomes of patients with cholangiocarcinoma (CCA). PATIENTS AND METHODS: Data on Black and White patients with CCA were obtained from the linked SEER-Medicare database (2004-2015) and 2010 Census data. The index of dissimilarity (IoD), a validated measure of segregation, was used to assess Black-White disparities in stage disease presentation, surgery for localized disease, and cancer-specific mortality. Multivariable Poisson regression was performed, and competing risk regression analysis was used to determine cancer-specific survival. RESULTS: Among 7480 patients with CCA, 90.2% (n = 6748) were White and 9.8% (n = 732) were Black. Overall, Black patients were more likely to reside in segregated areas compared with White patients (IoD, 0.42 vs. 0.38; p < 0.05). On multivariable Poisson regression, Black patients were more likely to present with advanced-stage disease [relative risk (RR) 1.17, 95% confidence interval (CI) 1.08-1.27; p < 0.001] and were less likely to undergo surgery for localized disease (RR 0.62, 95% CI 0.51-0.76; p < 0.001). Black patients also had worse cancer-specific survival (CSS) compared with White patients (median CSS: 4 vs. 8 months; p < 0.01). Black patients living in the highest areas of segregation had 40% increased hazard of mortality versus White patients residing in the lowest IoD areas (hazard ratio 1.40, 95% CI 1.10-1.80; p < 0.01). CONCLUSION: Racial segregation, as a proxy for structural racism, had a marked effect on Black-White disparities among patients with CCA. CI - (c) 2023. Society of Surgical Oncology. FAU - Munir, Muhammad Musaab AU - Munir MM AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Woldesenbet, Selamawit AU - Woldesenbet S AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Endo, Yutaka AU - Endo Y AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Lima, Henrique A AU - Lima HA AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Alaimo, Laura AU - Alaimo L AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Moazzam, Zorays AU - Moazzam Z AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Shaikh, Chanza AU - Shaikh C AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Cloyd, Jordan AU - Cloyd J AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Ejaz, Aslam AU - Ejaz A AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Azap, Rosevine AU - Azap R AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Azap, Lovette AU - Azap L AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. FAU - Pawlik, Timothy M AU - Pawlik TM AUID- ORCID: 0000-0002-7994-9870 AD - Department of Surgery, The Ohio State University Wexner Medical Center, James Comprehensive Cancer Center, Columbus, OH, USA. Tim.Pawlik@osumc.edu. AD - Department of Surgery, The Urban Meyer III and Shelley Meyer Chair for Cancer Research, The Ohio State University Wexner Medical Center, Columbus, OH, USA. Tim.Pawlik@osumc.edu. LA - eng PT - Journal Article DEP - 20230125 PL - United States TA - Ann Surg Oncol JT - Annals of surgical oncology JID - 9420840 SB - IM CIN - Ann Surg Oncol. 2023 Jul;30(7):4247-4248. PMID: 36705814 MH - Aged MH - Humans MH - Black or African American MH - *Cholangiocarcinoma/diagnosis/therapy MH - Medicare MH - Proportional Hazards Models MH - *Social Segregation MH - United States/epidemiology MH - White MH - *Healthcare Disparities MH - Systemic Racism MH - *Health Status Disparities EDAT- 2023/01/26 06:00 MHDA- 2023/06/12 06:42 CRDT- 2023/01/25 11:20 PHST- 2022/10/25 00:00 [received] PHST- 2023/01/02 00:00 [accepted] PHST- 2023/06/12 06:42 [medline] PHST- 2023/01/26 06:00 [pubmed] PHST- 2023/01/25 11:20 [entrez] AID - 10.1245/s10434-023-13122-1 [pii] AID - 10.1245/s10434-023-13122-1 [doi] PST - ppublish SO - Ann Surg Oncol. 2023 Jul;30(7):4238-4246. doi: 10.1245/s10434-023-13122-1. Epub 2023 Jan 25.