In the study, the lowest SpO2 in LMA group was lower than that in endotracheal intubation group, which can also be explained by the respiratory depression effect of anesthetics.

• 研究中，喉罩组的最低氧饱和度略低于气管内插管组，可能也是术中麻醉药的呼吸抑制作用的结果。