Table 2.

Missing data

Missing	Observed	% missing
Prehospital
GCS	3696	58 037	6.0
SBP	6472	55 261	10.5
Resp rate	6444	55 289	10.4
Pulse rate	4752	56 981	7.7
Oxygen saturation	7670	54 063	12.4
Emergency department
GCS	5074	56 659	8.2
SBP	2902	58 831	4.7
Resp rate	7818	53 915	12.7
Pulse rate	2531	59 202	4.1
Oxygen saturation	4042	57 691	6.5

GCS, Glasgow Coma Scale; SBP, systolic blood pressure.