• Kuan-Chin Jean Chen, Christopher G Elliott, Marie-Joe Nemnom, Yongdong Ouyang, and Tania Fitzpatrick.
• Department of Emergency Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada. jeanchen789@gmail.com.
• CJEM. 2022 Sep 1; 24 (6): 606-610.

PurposeLearners, either medical students or residents, often perform the initial assessment of patients visiting the emergency department (ED). It is unclear, however, if learners affect the rate of short-term unscheduled return visits. The objective of this study was to determine if the involvement of learners in ED visits increases the rate of return visits.MethodsThis was a retrospective cross-sectional analysis of ED visit data at a single tertiary care centre over a 1-year period. Return visits were defined as those presenting within 72 h of discharge from an initial non-admit ED visit and resulting in an admission on the second visit. A generalized linear mixed model was used to determine the odds ratios of return visits, adjusting for prespecified co-variates, with and without learners involved during the initial visit. Secondary analyses assessed for associations between learner level of training, program of study and return visits.ResultsReturn visits occurred after 658 (1.3%) of 51,149 encounters involving learners and 701 (0.8%) of 83,310 encounters with no learner involvement. Involvement of learners in ED initial visits was not associated with increased odds of return visits (adjusted OR 1.13 [95% CI 0.71-1.81]), although the point estimates were heterogeneous over learner level of training, with clerkship students (medical student years 3 and 4) and senior residents (post-graduate years 4 and 5) trending towards reduced odds of a return visit. Resident program of study did not independently predict return visits.ConclusionsThis study demonstrated that the involvement of learners in ED patient assessments is not associated with increased odds of short-term unscheduled return visits.© 2022. The Author(s), under exclusive licence to Canadian Association of Emergency Physicians (CAEP)/ Association Canadienne de Médecine d'Urgence (ACMU).

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