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Number of endotracheal intubation attempts performed by DRF HEMS physicians subject to Cormack status
| 1 attempt | 2 attempts | 3 attempts | > 3 attempts | total | |
|---|---|---|---|---|---|
| Cormack 1 | 5666 | 203 | 14 | 2 | 5885 |
| 96.3% | 3.4% | 0.2% | < 0.1% | 100% | |
| Cormack 2 | 2283 | 409 | 32 | 9 | 2733 |
| 83.5% | 15.0% | 1.2% | 0.3% | 100% | |
| Cormack 3 | 626 | 386 | 92 | 11 | 1115 |
| 56.1% | 34.6% | 8.3% | 1.0% | 100% | |
| Cormack 4 | 71 | 99 | 32 | 11 | 213 |
| 33.3% | 46.5% | 15.0% | 5.2% | 100% | |
| Total | 8646 | 1097 | 170 | 33 | 9946 |
| 86.9% | 11.0% | 1.7% | 0.3% | 100% |
