Table 5.
Intubation details in scenario E cervical collar stabilization and pharyngeal obstruction. Data are presented as median (IQR) or as number (%).
| Parameter | A | B | C | p values for between-device differences | p | ||
|---|---|---|---|---|---|---|---|
| Macintosh | McGrath | TruView PCD | A versus B | A versus C | B versus C | ||
| Success rate of intubation attempt (%) | 14 (15%) | 87 (94%) | 53 (57%) | <0.001 | <0.001 | <0.001 | <0.001 |
|
| |||||||
| Duration of 1st intubation attempt (s) | 28 (25–39) | 19 (18–26) | 34 (27–45) | 0.059 | 0.787 | 0.009 | 0.018 |
|
| |||||||
| Cormack-Lehane grade | 0 (0%) | 79 (84%) | 40 (43%) | <0.001 | <0.001 | 0.031 | <0.001 |
| 1 | 31 (33%) | 14 (16%) | 53 (57%) | ||||
| 2 | 58 (62%) | 0 (0%) | 0 (0%) | ||||
| 3 | 4 (4%) | 0 (0%) | 0 (0%) | ||||
| 4 | 3 (2–3) | 1 (1–1) | 1 (1–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| POGO score | 45 (29–63) | 98 (90–100) | 92 (83–98) | <0.001 | <0.001 | 0.003 | <0.001 |
|
| |||||||
| Number of optimization manoeuvres (%) | 10 (11%) | 31 (33%) | 19 (20%) | <0.001 | 0.005 | 0.012 | <0.001 |
| 0 | 21 (23%) | 45 (48%) | 37 (40%) | ||||
| 1 | 62 (67%) | 17 (18%) | 37 (40%) | ||||
| 2 | 2 (1–2) | 1 (0–1) | 1 (1–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| Severity of dental compression (%) | 0 (0%) | 0 (0%) | 0 (0%) | <0.001 | 0.007 | <0.001 | <0.001 |
| 0 | 7 (8%) | 90 (97%) | 31 (33%) | ||||
| 1 | 86 (93%) | 3 (3%) | 62 (67%) | ||||
| 2 | 2 (2–2) | 1 (1–1) | 2 (1–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| Ease of use (1–100) | 68 (51–80) | 31 (28–45) | 51 (36–64) | <0.001 | <0.001 | <0.001 | <0.001 |