From: Effects of laryngeal mask ventilation on postoperative atelectasis in children undergoing day surgery: a randomized controlled trial
S Group
(N = 23)
M Group
P-value
After insertion of the LMA (ml/kg)
5.23 ± 2.39
8.04 ± 0.50
< 0.001
Intraoperative (ml/kg)
5.18 ± 2.04
7.80 ± 0.62
Before removal of the LMA (ml/kg)a
5.46 ± 2.04
6.22 ± 1.15
0.129