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Annals of Surgical Oncology

, Volume 25, Issue 3, pp 720–728 | Cite as

Decreased Use of Sphincter-Preserving Procedures Among African Americans with Rectal Cancer

  • Elliot G. Arsoniadis
  • Yunhua Fan
  • Stephanie Jarosek
  • Wolfgang B. Gaertner
  • Genevieve B. Melton
  • Robert D. Madoff
  • Mary R. Kwaan
Gastrointestinal Oncology

Abstract

Background

Improved multimodality rectal cancer treatment has increased the use of sphincter-preserving surgery. This study sought to determine whether African American (AA) patients with rectal cancer receive sphincter-preserving surgery at the same rate as non-AA patients.

Methods

The study used the Nationwide Inpatient Sample for years 1998–2012 to compare AA and non-AA patients with rectal cancer undergoing low anterior resection or abdominoperineal resection. The logistic regression model was used to adjust for age, gender, admission type, Elixhauser comorbidity index, and hospital factors such as size, location (urban vs.rural), teaching status, and procedure volume.

Results

The search identified 22,697 patients, 1600 of whom were identified as AA. After adjustment for age and gender, the analysis showed that AA patients were less likely to undergo sphincter-preserving surgery than non-AA patients [odds ratio (OR) 0.70; 95% confidence interval (CI) 0.63–0.78; p < 0.0001). After further adjustment for the Elixhauser comorbidity index, admission type, hospital-specific factors, and insurance status, the analysis showed that AA patients still were less likely to undergo sphincter-preserving surgery (OR 0.78; 95% CI 0.70–0.87; p < 0.0001). Although the proportion of non-AA patients undergoing sphincter-preserving surgery increased during the study period (p = 0.0003), this trend was not significant for the AA patients (p = 0.13).

Conclusion

In this data analysis, the AA patients with rectal cancer had lower rates of sphincter-preserving surgery than the non-AA patients, even after adjustment for patient- and hospital-specific factors. Further work is required to elucidate why. Eliminating racial disparities in rectal cancer treatment should continue to be a priority for the surgical community.

Notes

Acknowledgement

This work was funded by the Center for Health African American Men through Partnerships (CHAAMPS). The research reported in this publication was supported by the National Institute of Minority Health and Health Disparities through a grant from the National Institutes of Health under Award No. U54MD008620. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

Disclosure

The authors have no commercial interests to disclose.

Supplementary material

10434_2017_6306_MOESM1_ESM.docx (94 kb)
Supplementary material 1 (DOCX 94 kb)

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Copyright information

© Society of Surgical Oncology 2017

Authors and Affiliations

  • Elliot G. Arsoniadis
    • 1
    • 2
  • Yunhua Fan
    • 3
  • Stephanie Jarosek
    • 3
  • Wolfgang B. Gaertner
    • 1
  • Genevieve B. Melton
    • 1
    • 2
  • Robert D. Madoff
    • 1
  • Mary R. Kwaan
    • 1
  1. 1.Division of Colon and Rectal Surgery, Department of SurgeryUniversity of MinnesotaMinneapolisUSA
  2. 2.Institute for Health InformaticsUniversity of MinnesotaMinneapolisUSA
  3. 3.Department of UrologyUniversity of MinnesotaMinneapolisUSA

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