To examine whether local healthcare infrastructure modifies the association between physician workforce availability and breast cancer outcomes.
Approach:
Study Design: A county-level cross-sectional study using data from the Area Health Resource File, Behavioral Risk Factor Surveillance System, and CDC.
Data Analysis: Adjusted generalized linear models estimated the interaction between provider density and facility availability on breast cancer outcomes.
Key Findings:
High-density counties were more likely to be urban and have mammography facilities (p<0.001).
Greater provider density was associated with increased screening (β=1.49, p<0.001) and decreased late-stage diagnosis (β=−1.29, p<0.001) and mortality (β=−1.09, p<0.001), but only when facilities were available.
In counties lacking local facilities, more neighboring counties with resources were linked to higher screening (β=1.23, p=0.047) and lower mortality (β=−1.69, p=0.023).
Interpretation:
Provider density positively influences breast cancer outcomes only when adequate healthcare facilities are present.
Limitations:
The study is cross-sectional and may not establish causation.
Findings may not be generalizable beyond the studied counties.
Conclusion:
Provider density was associated with more favorable outcomes only when facilities were available.
by Elio R. Bitar, Max O. Meneveau, Kaelyn C. Cummins, Olivia Sears, Mohamad El Moheb, Chengli Shen, Susan Kim, Mackenzie M. Mayhew, Samantha M. Ruff, Allan Tsung
Dana-Farber Cancer Institute's Dr. Jennifer Ligibel shared updated results from the BWEL study showing a weight loss intervention led to significantly better physical function, global physical and mental health, and symptom in patients with early breast cancer.
