• Bourke W Tillmann, Avery B Nathens, Matthew P Guttman, Priscila Pequeno, Damon C Scales, Petros Pechlivanoglou, and Barbara Haas.
• Interdepartmental Division of Critical Care, University of Toronto, Toronto, Ontario, Canada; Department of Medicine, Division of Respirology and Critical Care Medicine, University Health Network, Toronto, Ontario, Canada; Sunnybrook Research Institute, Toronto, Ontario, Canada; Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Ontario, Canada; Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada. Electronic address: BourkeWilliam.Tillmann@uhn.ca.
• Injury. 2024 Mar 1; 55 (3): 111332111332.

BackgroundNearly half of patients transferred from non-trauma to trauma centres have minor injuries. The transfer of patients with minor injuries to trauma centres is not associated with any known patient benefit and represents an opportunity to reduce healthcare costs and improve patient experience. In this study, we evaluated the relationship between hospital resources and overtriage, with the objective of identifying targets for system-level intervention.MethodsWe conducted a population-based cohort study of adults, age ≥ 16, presenting with minor injuries to non-trauma centres in Ontario, Canada (2009-2020). The primary outcome was overtriage, defined as transfer to a trauma centre. Hierarchical logistic regression was used to evaluate the association between hospital resources and a patient's likelihood of being overtriaged, adjusting for case-mix.Resultsamongst 165,302 patients with minor injuries, 15,641 (9.5 %) were transferred to a trauma centre (overtriage). Presence of a CT scanner, surgical support, or intensive care unit had no impact on a patient's likelihood of overtriage. Relative to community hospitals, presentation to a teaching hospital was independently associated with greater odds of overtriage (OR 2.97, 95 % CI: 1.26-7.00). Accounting for case-mix and resources, the median difference in a patient's odds of overtriage varied 3.7-fold across non-trauma centres (MOR 3.76).ConclusionsThere is significant variability in overtriage across non-trauma centres, even after adjusting for case-mix and hospital resources. These finding suggests that some centres have developed processes to minimize overtriage independent of available resources. Broad implementation of these processes may represent an opportunity for system-wide quality improvement.Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.

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