Variable | Hazard ratio (95 % confidence interval) | P value |
---|---|---|
Breathing rate (per minute)a | ||
<20 | 1.0 | |
20–21 | 1.3 (0.7–2.5) | 0.419 |
>21 | 2.8 (1.7–4.8) | <0.001 |
Pulse (per minute)a | ||
<102 | 1.0 | |
≥102 | 1.9 (1.4–2.6) | <0.001 |
Systolic blood pressure (mmHg)a | ||
>99 | 1.0 | |
≤99 | 2.8 (1.9–4.3) | <0.001 |
Peripheral oxygen saturation (%)a | ||
96 to 100 | 1.0 | |
94 to 95 | 2.1 (1.4–3.3) | 0.001 |
92 to 93 | 2.6 (1.5–4.4) | <0.001 |
<92 | 5.8 (4.1–8.3) | <0.001 |
AVPU levela | ||
3 | 1.0 | |
0 to 2 | 7.5 (5.5–10.3) | <0.001 |
WPS score (+1) | 1.6 (1.5–1.7) | <0.001 |