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Table 2 Critical care outcome definitions between studies

From: Using machine-learning risk prediction models to triage the acuity of undifferentiated patients entering the emergency care system: a systematic review


Direct ICU


Direct theatre

Direct pPCI

Severe sepsis

Mechanical intervention

ISS > 15

ISS > 16

Dugas et al.


Goto et al.


Kim D et al.



Kwon et al.


Kwon et al. (2)


Levin et al.


Newgard et al.


Raita et al.


Seymour et al.




van Rein et al.


  1. ICU Intensive Care Unit, pPCI primary Percutaneous Coronary Intervention, ISS injury severity score