Table 3.

Adverse effects in the two treatment groups

	Treatment		P-value
Group D (n=50)	Group S (n=50)
Dizziness	0	0	>0.99a
Respiratory depression	0	0	>0.99a
Bradycardia	2	0	0.49a
Hypotension	1	0	>0.99a
Nausea and vomiting	0	0	>0.99a

Note: Data are number, ^aChi-square test.

Abbreviations: Group D, dexmedetomidine group; Group S, saline group.