MEWS parameter | Admission (n = 469) OR (95% CI) | Death (n = 113) OR (95% CI) |
Systolic blood pressure | ||
101–199 (Reference) | 1.0 | 1.0 |
⩽100 | 2.1 (1.5 to 3.1)* | 4.7 (1.2 to 18.5)* |
⩾200 | 1.7 (0.6 to 5.3) | 4.6 (1.5 to 14.5)* |
Pulse rate | ||
51–100 (Reference) | 1.0 | 1.0 |
<40 | – | – |
41–50 | 0.4 (0.1 to 2.5) | – |
101–110 | 1.2 (0.8 to 1.9) | 0.8 (0.4 to 1.6) |
111–129 | 1.2 (0.8 to 1.7) | 0.8 (0.5 to 1.5) |
⩾130 | 2.8 (1.5 to 5.2)* | 1.4 (0.8 to 3.0) |
Respiratory rate | ||
9–14 (Reference) | 1.0 | 1.0 |
<9 | – | – |
15–20 | 1.6 (0.7 to 3.7) | 1.7 (0.4 to 8.0) |
21–29 | 1.9 (0.8 to 4.4) | 2.7 (0.6 to 12.5) |
⩾30 | 4.1 (1.6 to 10.1)* | 4.0 (1.0 to 19.4)* |
Temperature | ||
35–38.4 (Reference) | 1.0 | 1.0 |
<35 | 0.4 (0.03 to 5.6) | 1.2 (0.1 to 14.5) |
⩾38.5 | 3.0 (1.1 to 8.1)* | 0.8 (0.3 to 2.0) |
Level of consciousness | ||
Alert (Reference) | 1.0 | 1.0 |
Abnormal** | 2.8 (1.8 to 4.5)* | 5.1 (3.1 to 8.3)* |
*Indicates a statistically significant independent association with outcome.
†An abnormal level of consciousness was recorded for all scores of V, reacting to voice, P, reacting to pain or U, unresponsive.
MEWS, modified early warning score; OR, odds ratio.
*Indicates a statistically significant independent association with outcome.
†An abnormal level of consciousness was recorded for all scores of V, reacting to voice, P, reacting to pain or U, unresponsive.
MEWS, modified early warning score; OR, odds ratio.