Table 1

National early warning score

	NHS early warning score
	3	2	1	0	1	2	3
Respiration rate	≤8		9–11	12–20		21–24	≥25
Oxygen saturations	≤91	92–93	94–95	≥96
Supplemental oxygen		Yes		No
Temperature	≤35°		35.1–36°	36.1–38°	38.1–39°	≥39.1°
Systolic blood pressure	≤90	91–100	101–110	111–219			≥220
Pulse	≤40		41–50	51–90	91–110	111–130	≥131
Conscious level				A			V,P,U

A, alert; NHS, National Health Service; V,P,U, voice, pain, unresponsive.