Side effect

Group

P Value

Ketamine

Placebo

Cough*

80%

94.5%

0.022

Swallowing Reflex

89.1%

92.7%

>0.05

Apnea

5.5%

3.6%

>0.05

Nausea and Vomiting

32.7%

12.7%

0.012

Recall

34.5%

65.5%

0.001