Table 2.
Intubation profiles
| King Vision n = 33 |
McGrath n = 33 |
Macintosh n = 33 |
p value | |
|---|---|---|---|---|
| Intubation time (sec) 1 | 37.6 (7.3) *** | 35.4 (8.8) *** | 46.8 (10.4) | < 0.0001 |
| First success of intubation (%) | 33 (100%) * | 33 (100%) * | 28 (85%) | 0.0017 |
| Laryngoscopy time (sec) 1 | 16.7 (5.5) * | 15.6 (6.3) * | 22.8 (7.2) | 0.0002 |
| C-L grade I/II/III/IV | 29/4/0/0 *** | 27/6/0/0 *** | 6/10/12/5 | < 0.0001 |
| C-L grade I and II (%) | 33 (100%) *** | 33 (100%) *** | 16 (48%) | 0.0004 |
| Assist maneuvers (%) 1 | 5 (15%) *** | 4 (12%) *** | 18 (64%) | < 0.0001 |
| Difference between MAPmaximum and MAP post-induction (mmHg) 1 | 47.7 (12.5)* | 45.1 (10.3)** | 54.9 (10.2) | 0.0030 |
Data presented as mean (SD) or number (percentage). C-L: Cormack and Lehane. MAP: mean arterial pressure. NS: not significant. Assist maneuvers: use of the BURP maneuver, Magill’s forceps or cuff inflation. 1: n = 28 in Macintosh group. *p < 0.05; **p < 0.01; ***p < 0.001 compared with Macintosh group