Incidence and Severity of Hoarseness
Video stylet (n=20)
Direct laryngoscope (n=20)
P-value
Incidence
5/20 (25%)
13/20 (65%)
0.025
Severity(0/1/2/3)
15/5/0/0
7/8/4/1
0.021
0=no , 1=felt by patient, 2=felt by observer, 3=aphonia