From: A comparison of conventional tube and EndoFlex tube for tracheal intubation in patients with a cervical spine immobilisation
STYLET
EndoFlex
p-value
I
10.0% (3/30)
20.0% (6/30)
0.4716
II
50.0% (15/30)
56.7% (17/30)
0.6033
III
36.7% (11/30)
0.2524
IV
3.3% (1/30)
1.0000