Table 1.
Intubation details in scenario A normal airway. 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 (%) | 92 (99%) | 93 (100%) | 87 (94%) | 0.127 | 0.644 | 0.761 | 0.011 |
|
| |||||||
| Duration of 1st intubation attempt (sec) | 17 (16–21) | 18 (16–21) | 27 (23–34) | 1.0 | <0.001 | <0.001 | <0.001 |
|
| |||||||
| Cormack-Lehane grade | 87 (94%) | 93 (100%) | 93 | 1.0 | 1.0 | 1.0 | 1.0 |
| 1 | 6 (7%) | 0 (0%) | (100%) | ||||
| 2 | 0 (0%) | 0 (0%) | 0 (0%) | ||||
| 3 | 0 (0%) | 0 (0%) | 0 (0%) | ||||
| 4 | 1 (1–1) | 1 (1–1) | 0 (0%) | ||||
| Median (IQR) | 1 (1–1) | ||||||
|
| |||||||
| POGO score | 81 (78–100) | 100 (95–100) | 100 (90–100) | 0.239 | 0.030 | 1.0 | 0.028 |
|
| |||||||
| Number of optimization manoeuvres (%) | 84 (90%) | 92 (99%) | 76 | 1.0 | 1.0 | 0.561 | 0.982 |
| 0 | 9 (10%) | 1 (1 %) | (81%) | ||||
| 1 | 0 (0%) | 0 (0%) | 16 (19%) | ||||
| 2 | 0 (0–0) | 0 (0–0) | 1 (1%) | ||||
| Median (IQR) | 0 (0–0) | ||||||
|
| |||||||
| Severity of dental compression (%) | 36 (39%) | 48 (52%) | 2 (2%) | 0.770 | <0.001 | <0.001 | <0.001 |
| 0 | 57 (61%) | 45 (48%) | 20 | ||||
| 1 | 0 (0%) | 0 (0%) | (22%) | ||||
| 2 | 1 (0–1) | 0 (0–1) | 71 | ||||
| Median (IQR) | (76%) 2 (2–2) | ||||||
|
| |||||||
| Ease of use (1–100) | 24 (10–27) | 20 (11–23) | 31 (17–35) | 0.671 | <0.001 | <0.001 | <0.001 |