Kellett et al modified the ViEWS early warning score. The authors are from Nenagh Hospital in Ireland and Thunder Bay Regional Health Sciences Center in Canada.
Patient selection: inpatient
Distinction from the original ViEWS: does not score CNS status (AVPU)
Parameters:
(1) pulse in beats per minute
(2) breathing rate in breaths per minute
(3) temperature in °C
(4) systolic blood pressure in mm Hg
(5) oxygen saturation in percent
(6) inspired oxygen
|
Parameter |
Fiinding |
Points |
|
pulse |
<= 40 |
2 |
|
|
41 to 50 |
1 |
|
|
51 to 90 |
0 |
|
|
91 to 110 |
1 |
|
|
111 to 130 |
2 |
|
|
>= 131 |
3 |
|
breathing rate |
< 8 |
3 |
|
|
9 to 11 |
1 |
|
|
12 to 20 |
0 |
|
|
21 to 24 |
2 |
|
|
>= 25 |
3 |
|
temperature |
<= 35.0°C |
3 |
|
|
35.1 to 36.0 |
1 |
|
|
36.1 to 38.0 |
0 |
|
|
38.1 to 39.0 |
1 |
|
|
>= 39.1 |
2 |
|
systolic blood pressure |
<= 90 |
3 |
|
|
91 to 100 |
2 |
|
|
101 to 110 |
1 |
|
|
111 to 249 |
0 |
|
|
>= 250 |
1 |
|
oxygen saturation |
<= 91 |
3 |
|
|
92 to 93 |
2 |
|
|
94 to 95 |
1 |
|
|
>= 96 |
0 |
|
inspired oxygen |
room air |
0 |
|
|
any supplemental |
3 |
total score =
= SUM(points for all 6 parameters)
Interpretation:
• minimum score: 0
• maximum score: 18
• The higher the score the greater the risk of deterioration and mortality.
• The significance of a result varies with the type of patient (oncology, stroke, ICU, etc).
|
Score |
ICU 24-Hour Mortality |
|
0 to 2 |
0.6% |
|
3 to 6 |
7.9% |
|
7 to 10 |
16.7% |
|
>= 11 |
32.1% |
Performance:
• The area under the ROC curve is 0.72.
