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Table 7 Relationship between Coded ISS and Most Severe Abbreviated Injury Scale (AIS)

From: The development of simple survival prediction models for blunt trauma victims treated at Asian emergency centers

Coded ISS ISS Interval Most severe AIS/2nd most severe AIS Included
4 < 16 3
3 16-24 4
2 25-40 5 or 4/3
1 41-65 Two 5 or 5/4
0 > 65 Two 5/4 or Three 5 or 6
  1. ISS: the Injury Severity Score