• Nabil Wasif, David Etzioni, Elizabeth B Habermann, Amit Mathur, Barbara A Pockaj, Richard J Gray, and Yu-Hui Chang.
• Department of Surgery, Division of Surgical Oncology, Mayo Clinic Arizona, Phoenix, AZ, USA. wasif.nabil@mayo.edu.
• Ann. Surg. Oncol. 2018 May 1; 25 (5): 1116-1125.

BackgroundAlthough major cancer surgery at a high-volume hospital is associated with lower postoperative mortality, the use of such hospitals may not be equally distributed.ObjectiveOur aim was to study socioeconomic and racial differences in cancer surgery at Commission on Cancer (CoC)-accredited high-volume hospitals.MethodsThe National Cancer Database (NCDB) was used to identify patients undergoing surgery for colon, esophageal, liver, and pancreatic cancer from 2003 to 2012. Annual hospital volume for each cancer was categorized using quartiles of patient volume. Patient-level predictors of surgery at a high-volume hospital, trends in the use of a high-volume hospital, and adjusted likelihood of surgery at a high-volume hospital in 2012 versus 2003 were analyzed.ResultsAfrican American patients were less likely to undergo surgery at a high-volume hospital for esophageal (odds ratio [OR] 0.59, 95% confidence interval [CI] 0.49-0.73) and pancreatic cancer (OR 0.83, 95% CI 0.74-0.92), while uninsured patients and those residing in low educational attainment zip codes were less likely to undergo surgery at a high-volume hospital for esophageal, liver, and pancreatic cancer. In 2012, African Americans, uninsured patients, and those from low educational attainment zip codes were no more likely to undergo surgery at a high-volume hospital than in 2003 for any cancer type. These differences were not seen in colon cancer patients, for whom significant regionalization was not seen.ConclusionsDifferences in the use of CoC-accredited high-volume hospitals for major cancer surgery were seen nationwide and persisted over the duration of the study. Strategies to increase referrals and/or access to high-volume hospitals for African American and socioeconomically disadvantaged patients should be explored.

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