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J Trauma. 1997 Aug;43(2):283-7.

Field trauma triage: combining mechanism of injury with the prehospital index for an improved trauma triage tool.

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  • 1Department of Surgery, University of Calgary, Alberta, Canada.

Abstract

BACKGROUND:

The objective of this study was to combine a physiologic triage score (prehospital index, PHI) with criteria regarding mechanism of injury (MOI) to increase the efficacy of trauma triage. The specific question being asked was: will the combined score improve the sensitivity and specificity over that of the individual scores?

METHODS:

In this prospective study, 3,147 injury patients (all adults > or = 14 years) were reviewed. Each patient received a PHI score and a MOI score in the field, which were compared with their Injury Severity Score (ISS) at separation. An ISS > or = 16 was defined as major trauma.

RESULTS:

PHI alone had a sensitivity of 41%, MOI alone had a sensitivity of 73%, whereas the combined PHI/MOI score had a sensitivity of 78%. All three had similar specificities. These findings were statistically significant (p < or = 0.001).

CONCLUSION:

The combined PHI/MOI score was better at identifying those patients with ISS scores > or = 16 compared with the PHI and MOI scores alone. Although this permitted superior triage (and minimized overtriage), the combined score did not identify all major trauma patients.

PMID:
9291374
[PubMed - indexed for MEDLINE]
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