Table 7 Subgroup analysis
Variable | Total n = 958 | First-attempt success | p | Intubation-related complications | p |
|---|---|---|---|---|---|
Inexperienced operator, n (%) | 639 (66.7) | 398 (62.3) | < 0.001 | 170 (26.6) | 0.785 |
Direct laryngoscopy | 344 (53.8) | 178 (51.7) | 90 (26.2) | ||
Video laryngoscopy | 295 (46.2) | 220 (74.6) | 80 (27.1) | ||
Experienced operator, n (%) | 319 (33.3) | 266 (83.4) | 0.068 | 81 (25.4) | 0.470 |
Direct laryngoscopy | 121 (37.9) | 95 (78.5) | 28 (23.1) | ||
Video laryngoscopy | 198 (62.1) | 171 (86.4) | 53 (26.8) | ||
Without predicted difficult airway, n (%) | 764 (79.7) | 563 (73.7) | < 0.001 | 192 (25.1) | 0.871 |
Direct laryngoscopy | 406 (53.1) | 256 (63.1) | 103 (25.4) | ||
Video laryngoscopy | 358 (46.9) | 307 (85.8) | 89 (24.9) | ||
Video laryngoscopy group | 493 (51.5) | 391 (79.3) | 0.223 | 133 (27.0) | 0.056 |
Paralytics | 73 (14.8) | 54 (74.0) | 13 (17.8) | ||
No paralytics | 420 (85.2) | 337 (80.2) | 120 (28.6) |