Injury outcomes across Canadian trauma systems: a historical cohort study
Authors' conclusion
Our results suggest that differences in the functional role of TCs according to their designation level across provinces leads to significant variations in the distribution of patients, case volumes, resource use, and clinical outcomes.
Study context
- Population
- Adults with major trauma treated 2013–2018 in designated trauma centres (TCs) in British Columbia, Alberta, Quebec, Nova Scotia, New Brunswick (level I and II) and four TCs in Ontario
- Participants
- 50,959 adults
- Exposure
- Designated level I vs II vs III trauma centres across Canadian provinces
- Outcome
- Patient case mix, case volumes, and risk-adjusted outcomes (mortality, ICU admission, hospital and ICU LOS)
Methodological detailsnational, multicentre registry
- National
- Multicentre registry
Main finding
As reported in the abstract
- Patient distributions in level I and II TCs similar across provinces; significant differences in case mix and volumes for level III TCs
- Low variation in risk-adjusted mortality and length of stay (LOS) across provinces and TCs
- High interprovincial and intercentre variation in risk-adjusted intensive care unit (ICU) admission
- Ontario not included in outcome comparisons (no population-based data)
Observational data: associations, not effects.
Original publication
Injury outcomes across Canadian trauma systems: a historical cohort study. Can J Anaesth. Published 29 June 2023. doi:10.
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