Table 1

Definition of hypotension in different age groups for systolic blood pressure in mm Hg

Age range	APLS18	PEWS34	PALS19 20
<4 weeks	<75	≤60	<60
4–6 weeks	<75	≤60	<70
6 weeks to 3 months	<75	≤60	<70
3–6 months	<75	≤80	<70
6–12 months	<75	≤80	<70
1–2 years	<75	≤90	<72
2–3 years	<80	≤90	<74
3–4 years	<80	≤90	<76
4–5 years	<80	≤90	<78
5–6 years	<90	≤90	<80
6–7 years	<90	≤90	<82
7–8 years	<90	≤90	<84
8–9 years	<90	≤90	<86
9–10 years	<90	≤90	<88
10–12 years	<90	≤90	<90
12–13 years	<105	≤100	<90
13–14 years	<105	≤100	<90
14–16 years	<105	≤100	<90

APLS, Advanced Paediatric Life Support; PALS, Paediatric Advanced Life Support; PEWS, Paediatric Early Warning Score.