Table 1 Comparison view of the larynx by Cormack-Lehane classification system video–laryngoscopy (GVL) vs. direct laryngoscopy (DL)
CL-Grade | GVL | DL | p-value |
|---|---|---|---|
I | 11 (39,29%) | 8 (11,59%) | 0,004 |
II | 12 (42,86%) | 30 (43,48%) | 1 |
III | 3 (10,71%) | 20 (28,99%) | 0,07 |
IV | 2 (7,14%) | 11 (15,94%) | 0,34 |
Dichotomized CL-Grade | GVL | DL | p-value |
I + II (easier ETI) | 23 (82,15%) | 38 (55,07%) | 0,02 |
III + IV (difficult ETI) | 5 (17,85%) | 31 (44,93%) | 0,02 |