Table 2.

The comparison of postoperative complications between two goups

	control group (n = 30)	Dexmedetomidine group (n = 30)	P
Postoperative complications, No %
Hypotension	0 (0)	2 (6.7)	0.472
Hypertension	7 (23.3)	4 (13.3)	0.505
Bradycardia	2 (6.7)	7 (23.3)	0.148
Respiration despression	9 (30.0)	4 (13.3)	0.117
Hypoxemia	6 (20.0)	142 ± 47	1.000
Excessive sedation	2 (6.7)	73 ± 24	0.083
Pruritus	7 (23.3)	2 (6.7)	0.147

Note: Hypotension, hypertension, bradycardia, respiration depression, hypoxemia and excessive sedation were defined as mean blood pressure < 60 mmHg, or > 90 mmHg, heart rate < 60 beat per minute, respiratory rate < 8 beat per minute, pulse oxygen saturation < 93%, and Ramsay sedation scale ≥ 3 at least once during postopeartive 48 h, respectively. No, number