Table 2 Orotracheal intubation outcomes using the Miller and Airtraq laryngoscopes
Characteristics | Miller (N= 410) | Aitraq (N= 410) | p-value (*) |
|---|---|---|---|
Orotracheal intubation success, n (%) | 376 (92) | 408 (99) | <.001 |
Orotracheal intubation time, s (median, IQR) | 20.0 [14.0–31.2] | 15.0 [10.0–22.0] | <.001 |
Glottis visualization time, s (median, IQR) | 7.5 [5.0–11.0] | 6.0 [4.0–10.2] | .237 |
Cormack-Lehane score | <.001 | ||
1 | 196 (49) | 362 (89) | |
2 | 151 (38) | 42 (10) | |
3 | 26 (7) | 4 (1) | |
4 | 24 (6) | ||
Attempts, n (%) | .003 | ||
1 | 372 (92) | 402 (98) | |
2 | 25 (6) | 7 (1) | |
3 | 7 (2) | 1 (1) | |
Optimization manoeuvres required, n (%) | <.001 | ||
0 | 390 (95) | 407 (99) | |
1 | 17 (4) | 3 (1) | |
2 | 3 (1) | 0 (0) | |
Oesophageal intubations, n (%) | <.001 | ||
0 | 381 (93) | 407 (99) | |
1 | 24 (6) | 3 (1) | |
2 | 5 (1) | 0 (0) | |
Selective bronchial intubation, n (%) | .038 | ||
0 | 369 (90) | 385 (94) | |
1 | 41 (10) | 25 (6) |