Clinical and transit outcomes by pretransfer modified early warning score (MEWS)
| MEWS | MEWS % (n) | Mortality | ICU admission | Surgical procedure | Air transport | MEWS deterioration | Secondary overtriage | Severe injury (ISS≥16) |
| 0 or 1 | 69.6 (236) | 2.1% | 45.8% | 31.8% | 14.0% | 19.3% | 22.5% | 24.0% |
| 2 | 13.6 (46) | 4.4% | 52.2% | 45.7% | 23.9% | 34.9% | 23.9% | 32.6% |
| 3 | 5.6 (19) | 10.5% | 52.6% | 36.8% | 15.8% | 5.9% | 10.5% | 52.6% |
| 4 | 5.6 (19) | 15.8% | 63.2% | 42.1% | 15.6% | 22.2% | 26.3% | 61.1% |
| 5 | 3.5 (12) | 16.7% | 75.0% | 41.7% | 66.7% | 8.3% | 16.7% | 41.7% |
| ≥6 | 2.1 (7) | 71.4% | 100% | 57.1% | 71.4% | 20.0% | 0% | 100% |
| p Value | <0.001 | <0.001 | 0.07 | <0.001 | 0.65 | 0.27 | <0.001 |
ICU, intensuve care unit; ISS, injury severity score.