Table 1.
Intubation outcomes with and without an aerosol box in a normal airway condition
| Direct laryngoscope | P value | McGRATH MAC | P value | AWS-S200NK | P value | ||||
|---|---|---|---|---|---|---|---|---|---|
| Without AB n = 18 |
With AB n = 18 |
Without AB n = 18 |
With AB n = 18 |
Without AB n = 18 |
With AB n = 18 |
||||
| Time to successful intubation (s) | 14 (3) | 17 (4) | < 0.001 | 14 (4) | 14 (4) | 0.238 | 13 (4) | 14 (5) | 0.084 |
| Frist-pass intubation success | 18 (100%) | 18 (100%) | 1.000 | 18 (100%) | 18 (100%) | 1.000 | 18 (100%) | 18 (100%) | 1.000 |
| Cormack–Lehane grade | 0.137 | 1.000 | 1.000 | ||||||
| 1 | 15 (83%) | 11 (61%) | 16 (89%) | 16 (89%) | 17 (94%) | 17 (94%) | |||
| 2a | 3 (17%) | 7 (39%) | 2 (11%) | 2 (11%) | 1 (6%) | 1 (6%) | |||
| 2b | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | |||
| 3 | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | |||
| 4 | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | |||
| POGO score | 100 (100–100) | 100 (70–100) | 0.016 | 100 (100–100) | 100 (100–100) | 0.500 | 100 (100–100) | 100 (100–100) | > 0.999 |
| Peak force to maxillary incisors (N) | 0.739 | 0.494 | 1.000 | ||||||
| < 20 | 9 (50%) | 10 (56%) | 10 (56%) | 12 (67%) | 17 (94%) | 18 (100%) | |||
| 20 − 39 | 9 (50%) | 8 (44%) | 8 (44%) | 6 (33%) | 1 (6%) | 0 (0%) | |||
| ≥ 40 | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | |||
Data are expressed as mean (standard deviation), number (proportion), or median (interquartile range)
AB aerosol box, POGO percentage of glottic opening