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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: J Am Coll Surg. 2016 Mar 3;222(6):1125–1137. doi: 10.1016/j.jamcollsurg.2016.02.014

Figure 1.

Figure 1

Model schematic of current field triage processes versus two alternative triage strategies. Field triage processes do not involve knowledge about injury severity prior to hospital arrival. The decision tree branch integrating injury severity is included to provide the true prevalance of serious injury in the population, providing the ability to test different prevalance values. However, input parameters were adjusted to evaluate field triage as it is actually practiced, with injury severity unknown by emergency medical service providers at the time of triage.