Travel distance and its interaction with patient and hospital factors in pancreas cancer care
The American Journal of Surgery(2021)
Abstract
Background
Although volume-outcome literature supports regionalization for complex procedures, travel may be burdensome. We assessed the relationship between overall survival and travel distance for patients undergoing pancreatic resection for adenocarcinoma.
Methods
We analyzed the Fall 2018 National Cancer Database Public Use File. We defined distance traveled as a categorical variable (<12.5 miles, 12.5–50mi, and >50mi). We analyzed overall survival (OS) as a function of distance traveled using the log rank test and Cox proportional hazards models; we estimated stratified models to assess for interaction between distance and other relevant covariates.
Results
In adjusted analysis of 39,089 patients, greater distance was associated with decreased OS (p = 0.0029). We found interactions between distance and center type, comorbidities, and age. Distance traveled was a negative factor for patients treated at low-volume academic centers (but not high-volume academic or non-academic centers). Additionally, distance traveled was a negative factor for OS in young, healthy patients but not geriatric, ill patients.
Conclusion
Traveling more than 12.5 miles for pancreatic resection was associated with worse OS. Prior to regionalization, evaluation of local resources may be necessary.
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Key words
Health services research,Disparities,Pancreatic cancer,Outcomes,Social determinants of health
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