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Table 1 Modified early warning score

From: Prediction of cardiac arrest in critically ill patients presenting to the emergency department using a machine learning score incorporating heart rate variability compared with the modified early warning score

Score

Respiratory rate (breaths/minute)

Heart rate (beats/minute)

Systolic blood pressure (mmHg)

Temperature (°C)

AVPU

3

-

-

≤ 70

-

-

2

≤ 8

≤ 40

71 to 80

≤ 35

-

1

-

41 to 50

81 to 100

35.1 to 36

-

0

9 to 14

51 to 100

101 to 199

36.1 to 38

Alert

1

15 to 20

101 to 110

-

38.1 to 38.5

Reacting to voice

2

21 to 29

111 to 129

≥ 200

≥ 38.6

Reacting to pain

3

> 29

> 129

-

-

Unresponsive

  1. AVPU, A for 'alert', V for 'reacting to vocal stimuli', P for 'reacting to pain', U for 'unconscious'.