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Research article
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Decline in attrition rates in United States pediatric residency and fellowship programs, 2007–2020: a repeated cross-sectional study
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Emma Omoruyi
, Greg Russell, Kimberly Montez - J Educ Eval Health Prof. 2025;22:24. Published online September 5, 2025
- DOI: https://doi.org/10.3352/jeehp.2025.22.24
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Abstract
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Supplementary Material - Purpose
Declining fill rates in US pediatric residency and subspecialty programs requires trainee retention. Attrition, defined as transfers, withdrawals, dismissals, unsuccessful completions, or deaths, disrupts program function and impacts the pediatric workforce pipeline. It aims to evaluate attrition trends among pediatric residents and fellows in Accreditation Council for Graduate Medical Education (ACGME)-accredited programs from 2007 to 2020.
Methods
This repeated cross-sectional study analyzed publicly available ACGME Data Resource Book records. Attrition rates and 95% confidence intervals (CIs) were calculated overall and by subspecialty. Logistic regression assessed temporal changes; odds ratios (ORs) compared 2020 to 2007.
Results
From 2007–2020, pediatric residents increased from 8,145 to 9,419 and fellows from 2,875 to 4,279. Aggregate annual resident attrition averaged 1.71% (range, 0.93%–2.64%), and fellow attrition ranged from 12.39%–30.87%. Transfer rates declined from 18.05 to 5.20 per 1,000 trainees (P<0.0001), withdrawals from 5.65 to 2.76 (P=0.030), and dismissals from 3.14 in 2010 to 1.27 in 2020 (P=0.0068). Odds of unsuccessful completion significantly decreased in categorical pediatrics (OR, 0.41; 95% CI, 0.29–0.58), pediatric cardiology (OR, 0.08; 95% CI, 0.01–0.64), pediatric critical care (OR, 0.14; 95% CI, 0.06–0.35), and neonatal-perinatal medicine (OR, 0.46; 95% CI, 0.20–1.08).
Conclusion
Although attrition has improved, premature trainee loss can still disrupt program operations and threaten workforce development. Attrition may reflect educational environment quality, support structures, or selection processes. Greater data transparency is needed to understand demographic trends and inform equitable retention strategies, ultimately strengthening training programs and sustaining the United States pediatric workforce.
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