Table 2.
Intubation details in scenario B tongue oedema. 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 (%) | 57 (61%) | 90 (97%) | 90 (97%) | <0.001 | <0.001 | 1.0 | <0.001 |
|
| |||||||
| Duration of 1st intubation attempt (s) | 44 (24–46) | 22 (20–27) | 39 (30–57) | 0.822 | 0.392 | 0.138 | 0.126 |
|
| |||||||
| Cormack-Lehane grade | 0 (0%) | 77 (83%) | 70 (75%) | <0.001 | <0.001 | 1.0 | <0.001 |
| 1 | 3 (3%) | 16 (17%) | 23 (25%) | ||||
| 2 | 86 (93%) | 0 (0%) | 0 (0%) | ||||
| 3 | 4 (4%) | 0 (0%) | 0 (0%) | ||||
| 4 | 3 (3–3) | 1 (1–1) | 1 (1–1) | ||||
| Median (IQR) | |||||||
|
| |||||||
| POGO score | 37 (29–49) | 93 (80–100) | 90 (82–95) | <0.001 | <0.001 | 0.117 | <0.001 |
|
| |||||||
| Number of optimization manoeuvres (%) | 0 (0%) | 19 (20%) | 0 (0%) | <0.001 | 1.0 | <0.001 | <0.001 |
| 0 | 17 (19%) | 29 (31%) | 14 (18%) | ||||
| 1 | 76 (81%) | 45 (48%) | 79 (82%) | ||||
| 2 | 2 (2–2) | 1 (1–2) | 2 (2–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| Severity of dental compression (%) | <0.001 | 1.0 | <0.001 | <0.001 | |||
| 0 | 0 (0%) | 40 (43%) | 0 (0%) | ||||
| 1 | 12 (13%) | 44 (47%) | 20 (22%) | ||||
| 2 | 81 (87%) | 9 (10%) | 73 (79%) | ||||
| Median (IQR) | 2 (2–2) | 1 (0–1) | 2 (2–2) | ||||
|
| |||||||
| Ease of use (1–100) | 74 (50–80) | 34 (26–47) | 46 (38–61) | <0.001 | <0.001 | <0.001 | <0.001 |