From: Effect of neck extension on the advancement of tracheal tubes from the nasal cavity to the oropharynx in nasotracheal intubation: a randomized controlled trial
Neck extension group (n = 32)
Neutral position group (n = 33)
Total (n = 65)
Lower pathway, n(%) [95% CI]
22 (68.8%)
25 (75.8%)
47 (72.3%) [61.3, 83.3%]