n | 1 attempt | 2 attempts | Overall success rate | Intubation failure within two times | ||
---|---|---|---|---|---|---|
Change anesthetist | Change equipment | |||||
Direct laryngoscope | 181 | 163 (90.1) | 8 (4.4) | 171 (94.5) | 3 (1.7) | 7 (3.9) |
Junior | 91 | 82 (90.1) | 4 (4.4) | 86 (94.5) | 2 (2.2) | 3 (3.3) |
Senior | 90 | 81 (90.0) | 4 (4.4) | 85 (94.4) | 1 (1.1) | 4 (4.4) |
Video laryngoscope | 179 | 172 (96.1)a | 7 (3.9) | 179 (100)a | 0 | 0a |
Junior | 91 | 86 (94.5) | 5 (5.5) | 91 (100) | 0 | 0 |
Senior | 88 | 86 (97.7)c | 2 (2.3) | 88 (100) | 0 | 0 |