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Increasing-Yet Varying-Radiologist Workforce Attrition Across Subspecialties.

Eric W Christensen1, Chi-Mei Liu1, Jay R Parikh2

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|March 4, 2026
PubMed
Summary
This summary is machine-generated.

Radiologist subspecialty attrition is increasing, with cardiothoracic imaging showing the highest rates and vascular and interventional radiology the lowest. Targeted recruitment and retention strategies are crucial for subspecialty radiology workforce stability.

Keywords:
academicattritionsubspecialistssubspecialtyworkforce

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Area of Science:

  • Radiology Workforce Analysis
  • Subspecialty Physician Attrition
  • Healthcare Economics

Background:

  • Previous research indicated higher workforce attrition among subspecialist radiologists compared to generalists.
  • Variations in attrition rates across subspecialties may lead to patient access issues for specialized radiologic care.

Purpose of the Study:

  • To investigate the association between specific radiologist subspecialties and workforce attrition.
  • To analyze trends in attrition rates over time and estimate mean career lengths by subspecialty and gender.

Main Methods:

  • Retrospective analysis of Medicare-enrolled radiologist data from 2014-2022.
  • Subspecialties categorized using Medicare claims data and the Neiman Imaging Types of Service classification.
  • Multivariable logistic regression and nonlinear regression models used to identify attrition predictors and estimate career lengths.

Main Results:

  • Overall attrition rate was 2.2%, varying from 1.0% (Vascular and Interventional Radiology) to 4.3% (Cardiothoracic Imaging).
  • Attrition rates increased across all subspecialties from 2014 to 2022.
  • Higher attrition odds were observed for Breast Imaging (OR=1.31) and Cardiothoracic Imaging (OR=1.81) compared to Abdominal Imaging; VIR showed lower odds (OR=0.78).

Conclusions:

  • Workforce attrition has risen over time within each subspecialty, with significant inter-subspecialty variation.
  • Gender differences in career length were noted, being smaller within subspecialties.
  • Urgent, broad recruitment and retention initiatives are necessary to mitigate potential subspecialty shortages.