Table 4.

Adverse effects during anesthesia (n).

Group	n	Vomiting	Drowsiness	Hypotension	Bradycardia	Hypoxemia	Pharyngalgia	Total adverse effects rate (%)
Local anesthesia	55	2	0	1	1	2	0	1.82
Monitored anesthesia	55	5	22	5	4	3	0	11.82
General anesthesia	55	16	25	2	2	8	21	22.42#

^#Statistical difference among three groups (P < 0.05).