Table 4.

Continuous variable intervals

Variable	Interval
Age	below 40 (reference)
	40 to 49
	50 to 59
	60 to 69
	70 to 79
	80 to 89
	90 to 99
	100 plus
Respirations	below 10
	10 to 20 (reference)
	21 to 25
	26 to 30
	31 to 35
	36 to 40
	41 to 45
	46 to 50
	51 to 55
	56 to 60
	60 plus
Pulse	below 60
	60 to 100 (reference)
	101 to 110
	111 to 120
	21 to 130
	131 to 140
	141 to 150
	151 to 160
	161 to 170
	171 to 180
	180 plus
SBP	below 60
	60 to 69
	70 to 79
	80 to 89
	90 to 99
	100 to 120 (reference)
	121 to 129
	130 to 139
	140 to 149
	150 to 159
	160 plus
SpO2	above 93 (reference)
	89 to 93
	85 to 88
	below 85
Temperature	below 35
	35.0 to 35.5
	35.6 to 36.0
	36.1 to 36.5
	36.6 to 37.4 (reference)
	37.5 to 38.0
	38.1 to 38.5
	38.6 to 39.0
	39.1 to 39.5
	39.6 to 40.0
	above 40
GCS	3–9
	10–12
	13–14
	15 (reference)

SBP systolic blood pressure, SpO2 peripheral oxygen saturations, GCS Glasgow coma score