New SOP N = 360 | Traditional SOP N = 360 | p value | |
---|---|---|---|
Gender | |||
Male | 265 | 270 | |
Female | 95 | 90 | 0.73 |
Mean age ± SD (years) | 52.3 ± 21.6 | 53.0 ± 18.9 | 0.62 |
Mean weight ± SD (kg) | 78.7 ± 19.4 | 80.1 ± 18.7 | 0.34 |
Type of incident | |||
Medical | 196 | 205 | |
Trauma | 164 | 155 | 0.55 |
Reason for PHEA | |||
Low Glasgow Coma Scale | 210 | 176 | |
Airway compromise | 53 | 90 | |
Clinical course | 13 | 14 | |
Unmanageable/agitation | 28 | 22 | |
ROSC post cardiac arrest | 23 | 18 | |
Respiratory/ventilatory failure | 31 | 38 | |
Humanitarian | 0 | 1 | |
Other | 0 | 1 | |
Not stated | 2 | 0 | 0.02* |
Patient outcome | |||
Aircraft carry to hospital | 69 | 66 | |
Ground escort to hospital | 287 | 292 | |
Ground assisted# | 1 | 1 | |
Pronounced life extinct on scene | 3 | 1 | 0.78 |
First pass intubator | |||
Emergency medicine physician | 211 | 214 | |
Anaesthetic physician | 140 | 121 | |
Critical care paramedic | 6 | 3 | |
Intensive care physician | 3 | 10 | |
General practitioner | 0 | 11 | |
Unknown | 0 | 1 | < 0.01* |
Shock index | |||
< 1.0 beats/min/mmHg | 306 | 295 | |
> 1.0 beats/min/mmHg | 54 | 65 | 0.32 |