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Table 1 Early warning score with physiological parameters and corresponding weighted score and normal range

From: Performance of the efferent limb of a rapid response system: an observational study of medical emergency team calls

Vital sign

3

2

1

0

1

2

3

Respiratory Rate per min

<9

 

9 – 11

12 – 20

 

21 – 24

>24

Oxygen saturation

<92 %

92 – 93 %

94 – 95 %

>95 %

   

Supplemental oxygen

 

YES

 

NO

   

Temperature degrees centigrade

<35.1

 

35.1 – 36.0

36.1 – 38.0

38.1 – 39.0

>39

 

Systolic blood pressure mmHg

<91

91 – 100

101 – 110

111 – 219

  

>219

Heart rate per min

<41

 

41 – 50

51 – 90

91 – 110

111 – 130

>130

Level of consciousness

   

A

  

V, P, U