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Table 2 Definitions of “major trauma” used in the study

From: Calculating trauma triage precision: effects of different definitions of major trauma

ISS traditional

ISS >15

ISS extended

“ISS traditional” and/or “Dead 30 days after injury” and/or “Proximal penetrating injury”

ISS extensive

“ISS extended” and/or “ICU LOS >2 days” and/or “ICU LOS ≤2 days and transferred out intubated”

NISS traditional

NISS >15

NISS extended

“NISS traditional” and/or “Dead 30 days after injury” and/or “Proximal penetrating injury”

NISS extensive

“NISS extended” and/or “ICU LOS >2 days” and/or “ICU LOS ≤2 days and transferred out intubated”

Extended

“Dead 30 days after injury” and/or “Proximal penetrating injury”

Extensive

“Extended” and/or “ICU LOS >2 days” and/or “ICU LOS ≤2 days and transferred out intubated”

  1. ISS = Injury Severity Score; NISS = New Injury Severity Score; ICU = intensive care unit; LOS = length of stay.