From: Precision of field triage in patients brought to a trauma centre after introducing trauma team activation guidelines
Without TTA protocol (1996)
With TTA protocol (2001 – 2007)
Overtriage
Undertriage
All patients
58%
11%
55%
10%
Anaesthetist admitted
44%
6%
35%
2%
Paramedic admitted
67%
17%
66%