Table 1.

Prevalence of imposed missing data according to the frequency distribution of hysiological variables

Variable	Value	% imposed missing data
GCS: Motor	1 – No motor response	35
	2 – Extension to pain	20
	3 – Flexion to pain	10
	4 – Withdrawal from pain	5
	5 – Localising pain	5
	6 – Obeys commands	13
GCS: Verbal	1 – No verbal response	45
	2 – Incomprehensible sounds	30
	3 – Inappropriate words	15
	4 – Confused	15
	5 – Orientated	20
GCS: Eye	1 – No eye opening	45
	2 – Eye opening to pain	30
	3 – Eye opening to verbal command	15
	4 – Eyes open spontaneously	20
RR	0	21
	1–5	11
	6–9	6
	≥30	6
	10–29	11
SBP	0	5
	1–49	4
	50–75	3
	76–89	2
	≥90	3