Table 4.
Intubation details in scenario D cervical collar stabilization and 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 (%) | 30 (32%) | 64 (69%) | 58 (62%) | <0.001 | <0.001 | 1.0 | <0.001 |
|
| |||||||
| Duration of 1st intubation attempt (s) | 54 (39–71) | 26 (20–29) | 45 (33–56) | <0.001 | <0.001 | <0.001 | <0.001 |
|
| |||||||
| Cormack-Lehane grade | 0 (0%) | 64 (69%) | 50 (54%) | <0.001 | <0.001 | 0.798 | <0.001 |
| 1 | 3 (3%) | 29 (31%) | 43 (46%) | ||||
| 2 | 71 (76%) | 0 (0%) | 0 (0%) | ||||
| 3 | 19 (21%) | 0 (0%) | 0 (0%) | ||||
| 4 | 3 (3–3) | 1 (1–2) | 1 (1–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| POGO score | 35 (29–42) | 86 (75–94) | 80 (75–91) | <0.001 | <0.001 | 0.725 | <0.001 |
|
| |||||||
| Number of optimization manoeuvres (%) | 4 (4%) | 11 (12%) | 1 (1%) | <0.001 | 0.009 | 0.023 | <0.001 |
| 0 | 10 (20%) | 47 (51%) | 39 (42%) | ||||
| 1 | 79 (85%) | 35 (38%) | 533 (57%) | ||||
| 2 | 2 (2–2) | 1 (1–2) | 2 (1–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| Severity of dental compression (%) | 0 (0%) | 0 (0%) | 0 (0%) | <0.001 | 0.489 | <0.001 | <0.001 |
| 0 | 2 (2%) | 76 (82%) | 13 (14%) | ||||
| 1 | 91 (98%) | 17 (18%) | 80 (86%) | ||||
| 2 | 2 (2–2) | 1 (1–1) | 2 (2–2) | ||||
| Median (IQR) | |||||||
|
| |||||||
| Ease of use (1–100) | 81 (63–90) | 34 (28–48) | 57 (45–75) | <0.001 | <0.001 | <0.001 | <0.001 |