Comparison of existing triage tools5 12
| Method | First assessment | Second assessment | Third assessment | Fourth assessment |
| START (USA) | Walking? | Breathing? Rate>29 | Palpable pulse?* | Obeys commands?† |
| Careflight (Australia) | Walking? | Obeys commands?† | Breathing? | Palpable radial pulse?* |
| Triage Sieve (UK and International) | Walking? | Breathing? <10, Rate>30 | HR>120 | |
| Military Sieve (UK) | Walking? | Breathing? <10, rate>30 | HR>120 | Unconscious?† |
| Modified Physiological Triage Tool | Walking? | Breathing? <12, rate>22 | HR>100 | GCS<14 |
A patient is designated as Priority One if the patient is unable to walk and if any of the assessments conducted afterwards are positive.
*A systolic blood pressure measurement of 90 mm Hg was used as a surrogate measure to represent presence of a palpable pulse.
†A GCS<13 was used as a surrogate for unconsciousness or the inability to obey commands.