Factor | SP (n = 25) | NP (n = 25) | EP (n = 25) | P-value |
---|---|---|---|---|
Time to view the vocal cords (TVVC) (s) | 20.1 ± 9.9 | 22.5 ± 10.5 | 14.2 ± 4.9*# | < 0.01 |
Time to advance tracheal tube into trachea (TATT) (s) | 17.4 ± 5.8 | 19.8 ± 9.6 | 17.5 ± 8.1 | 0.51 |
Percentage of glottic opening scores (POGO) (%) | 78.5 ± 20.5 | 75.2 ± 19.6 | 88.9 ± 11.5*# | 0.02 |
VAS scores for tracheal tube passing glottis | 87.4 ± 13.7 | 79.3 ± 23.5 | 82.4 ± 19.4 | 0.33 |
Coughing scores of inserting FOB (0/ 1 /2/ 3, n) | 23/2/0/0 | 22/2/1/0 | 24/1/0/0 | 0.94 |
Coughing scores of inserting tracheal tube (0/ 1 /2/ 3, n) | 12/5/7/1 | 11/7/4/3 | 14/7/2/2 | 0.98 |
Throat pain(n) | 6 | 6 | 8 | 0.76 |
Hoarseness (n) | 1 | 2 | 1 | 0.77 |