Abstract
Purpose
Studies have shown patients residing in rural settings have worse cancer-related outcomes than those in urban settings. Specifically, rural patients with colorectal cancer have lower rates of screening and longer time to treatment. However, physical distance traveled has not been as well studied. This study sought to determine disparities in receipt of surgery in patients by distance traveled for care.
Methods
A retrospective cohort study of patients with AJCC stage II/III rectal adenocarcinoma was identified within the National Cancer Database (2004–2017). Primary outcome was correlation of distance traveled to receipt of surgery. Multi-variable logistic regression was used to adjust for confounding factors.
Results
65,234 patients were included in the analysis. 94.6% resided in urban-metro areas while 2.2% resided in rural areas. Patients were predominantly non-Hispanic White (NHW) (75.2%) with an overall median age at diagnosis of 61 (IQR 52–71). Overall, 82.6% of patients received surgery. NHW patients were more likely to receive surgery than non-Hispanic Black patients (OR 0.67; 95% CI 0.61–0.73, p < 0.001), as were patients who were privately insured (OR 1.90, 95% CI 1.67–2.15, p < 0.001) or had Medicare (OR 1.68, 95% CI 1.47–1.92, p < 0.001) compared to uninsured patients. Patients traveling distances in the 4th quartile (median 47.9 miles) were more likely to receive surgery than those traveling the shortest distances (1st quartile: median 2.5 miles) (OR 1.37, 95% CI 1.24–1.50, p < 0.001).
Conclusion
Patients traveling farther distances were more likely to receive surgery than those traveling shorter distances. Shorter distance traveled does not appear to be associated with higher rates of surgical resection in patients with stage II/III rectal cancer.
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Data availability
The primary dataset (National Cancer Database) is available publicly through the American College of Surgeons (https://www.facs.org/quality-programs/cancer/ncdb). The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.
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We would like to acknowledge Reba Bullard for her assistance in manuscript preparation.
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Scarlett Hao confirms confirmation of study conceptualization, methodology, data collection and analysis, writing, reviewing, and editing. David Meyer confirms confirmation of writing, reviewing, and editing. Charles Klose confirms confirmation of writing, reviewing, and editing. William Irish confirms confirmation of conceptualization, methodology, writing, reviewing, and editing. Michael Honaker confirms confirmation of conceptualization, methodology, data collection and writing, reviewing, and editing.
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Established in 1989, The National Cancer Database (NCDB) is a joint project of the Commission on Cancer (CoC) of the American College of Surgeons and the American Cancer Society. The NCDB and its participating hospitals are the source of the data used herein. The data are derived from a de-identified NCDB file. The American College of Surgeons and the Commission on Cancer have not verified and are not responsible for the analytic or statistical methodology employed, or the conclusions drawn from these data by the investigator. The American College of Surgeons has executed a Business Associate Agreement that includes a data use agreement with each of its CoC accredited hospitals. The National Cancer Database (NCDB) is a nationwide, facility-based, comprehensive clinical surveillance resource oncology data set that captures 72% of all newly diagnosed malignancies in the US annually.
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Hao, S., Meyer, D., Klose, C. et al. Association of distance traveled on receipt of surgery in patients with locally advanced rectal cancer. Int J Colorectal Dis 38, 8 (2023). https://doi.org/10.1007/s00384-022-04300-w
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DOI: https://doi.org/10.1007/s00384-022-04300-w