Retrospective Study
Copyright ©The Author(s) 2021.
World J Anesthesiol. Dec 2, 2021; 10(2): 7-15
Published online Dec 2, 2021. doi: 10.5313/wja.v10.i2.7
Table 3 Comparison between video laryngoscopy using a pre-formed tube and direct laryngoscopy

VL with pre-formed tube
DL
P value
Patients, n (%)244 (41)318 (59)
Second attempts, n (%)25 (10)57 (18)0.02a
Throat pain, n (%)14 (6)78 (24)0.009a