Cormack Lehane grade
| | | | |
0.462
|
1
|
18,832
|
(73.8%)
|
28
|
(84.8%)
| |
2
|
5684
|
(22.3%)
|
5
|
(15.2%)
| |
3
|
973
|
(3.8%)
|
0
|
(0%)
| |
4
|
16
|
(0.1%)
|
0
|
(0%)
| |
Number of intubation attempts
| | | | |
0.999
|
1
|
24,794
|
(97.2%)
|
32
|
(97.0%)
| |
2
|
697
|
(2.7%)
|
1
|
(3.0%)
| |
3
|
13
|
(0.1%)
|
0
|
(0%)
| |
4
|
1
|
(0%)
|
0
|
(0%)
| |
Stylet use
|
939
|
(3.7%)
|
1
|
(3.0%)
|
1.000
|
BURP maneuver
|
2445
|
(9.6%)
|
1
|
(3.0%)
|
0.326
|
Tracheal intubation tool
|
Conventional laryngoscope
|
25,077
|
(98.3%)
|
33
|
(100.0%)
|
0.967
|
Video-laryngoscope
|
327
|
(1.3%)
|
0
|
(0%)
| |
Lightwand
|
83
|
(0.3%)
|
0
|
(0%)
| |
Fiberoptic laryngoscope
|
18
|
(0%)
|
0
|
(0%)
| |
Endotracheal tube ballooning
|
25,413
|
(99.6%)
|
33
|
(100%)
|
1.000
|
Esophageal stethoscope
|
23,686
|
(92.9%)
|
30
|
(90.9%)
|
0.921
|
Neuromuscular monitoring
|
9531
|
(37.4%)
|
8
|
(24.2%)
|
0.169
|
Armoured tube
|
193
|
(0.8%)
|
1
|
(3.0%)
|
0.617
|
Endotracheal tube size (ID, mm)
| | | | |
0.237
|
< 6
|
14
|
(0%)
|
0
|
(0%)
| |
6
|
202
|
(0.8%)
|
1
|
(3.0%)
| |
6.5
|
260
|
(1.0%)
|
1
|
(3.0%)
| |
7
|
14,526
|
(57.0%)
|
26
|
(78.8%)
| |
7.5
|
66
|
(0.3%)
|
0
|
(0%)
| |
8
|
10,434
|
(40.9%)
|
5
|
(15.2%)
| |
8.5
|
2
|
(0%)
|
0
|
(0%)
| |
9
|
1
|
(0%)
|
0
|
(0%)
| |
Tracheal intubation by 1st-yr anaesthesia residents
|
4707
|
(18.5%)
|
11
|
(33.3%)
|
0.048
|