From: Improving recognition of patients at risk in a Portuguese general hospital: results from a preliminary study on the early warning score
EWS
−72 h
−24 h
−12 h
n
45
59
65
Mean ± SD
2.6 ± 1.9
2.4 ± 1.8
3.8 ± 1.7
CI (95%)
2.0 to 3.2
1.9 to 2.9
3.4 to 4.2
Median
2.0
3.0
4.0
Minimum
0.0
Maximum
7.0