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Number of endotracheal intubation attempts subject to Cormack status and use of videolaryngoscope
| 1 attempt | 2 attempts | 3 attempts | > 3 attempts | total | |
|---|---|---|---|---|---|
| Cormack 1 | 223 | 20 | 2 | 0 | 245 |
| 91.0% | 8.2 | 0.8% | 0.0% | 100% | |
| Cormack 2 | 129 | 33 | 5 | 2 | 169 |
| 76.3% | 19.5% | 3.0% | 1.2% | 100% | |
| Cormack 3 | 42 | 43 | 25 | 2 | 112 |
| 37.5% | 38.4% | 22.3% | 1.8% | 100% | |
| Cormack 4 | 7 | 14 | 9 | 7 | 37 |
| 18.9% | 37.8% | 24.3 | 18.9% | 100% | |
| Total | 401 | 110 | 41 | 11 | 563 |
| 71.2% | 19.5% | 7.3% | 2.0% | 100% |
