Table 3.
Intubation details in scenario C 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 (%) | 69 (74%) | 90 (97%) | 67 (72%) | 0.023 | 1.0 | 0.011 | <0.001 |
|
| |||||||
| Duration of 1st intubation attempt (s) | 21 (19–29) | 18 (18–25) | 30 (23–39) | 0.003 | 0.001 | <0.001 | <0.001 |
|
| |||||||
| Cormack-Lehane grade | 82 (88%) | 93 (100%) | 92 (99%) | 1.0 | 1.0 | 1.0 | 1.0 |
| 1 | 11 (12%) | 0 (0%) | 1 (1%) | ||||
| 2 | 0 (0%) | 0 (0%) | 0 (0%) | ||||
| 3 | 0 (0%) | 0 (0%) | 0 (0%) | ||||
| 4 | 1 (1–1) | 1 (1–1) | 1 (1–1) | ||||
| Median (IQR) | |||||||
|
| |||||||
| POGO score | 80 (78–100) | 100 (95–100) | 100 (84–100) | <0.001 | <0.001 | 0.817 | <0.001 |
|
| |||||||
| Number of optimization manoeuvres (%) | 73 (79%) | 92 (99%) | 39 (42%) | 0.021 | <0.001 | <0.001 | <0.001 |
| 0 | 6 (7%) | 1 (1%) | 46 (50%) | ||||
| 1 | 14 (15.0%) | 0 (0%) | 8 (9%) | ||||
| 2 | 0 (0–0) | 0 (0–0) | 1 (0–1) | ||||
| Median (IQR) | |||||||
|
| |||||||
| Severity of dental compression (%) | 21 (23%) | 37 (40%) | 2 (2%) | 0.006 | <0.001 | <0.001 | <0.001 |
| 0 | 53 (57%) | 53 (57%) | 41 (44%) | ||||
| 1 | 19 (21%) | 3 (3%) | 50 (54%) | ||||
| 2 | 1 (1–1) | 1 (0–1) | 2 (1–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| Ease of use (1–100) | 27 (14–38) | 20 (11–24) | 39 (24–49) | <0.001 | <0.001 | <0.001 | <0.001 |