TABLE 2.

Postoperative gastrointestinal motility recovery.

	DEX 0 μg (n = 70)	DEX 200 μg (n = 70)	DEX 400 μg (n = 70)	p value
First flatus, h
Total	61.2 ± 29.5	64.8 ± 29.0	74.8 ± 47.7	0.075
Laparoscopic	58.3 ± 5.8	64.8 ± 6.1	78.4 ± 6.4*	0.044
Open	65.0 ± 6.7	64.9 ± 6.3	71.6 ± 6.0	0.683
First feces, h
Total	82.9 ± 35.6	87.0 ± 35.4	97.6 ± 49.0	0.088
Laparoscopic	76.5 ± 6.4	87.8 ± 6.8	102.5 ± 7.1*	0.049
Open	91.5 ± 7.4	86.3 ± 7.0	93.4 ± 6.7	0.749
First diet, h
Total	107.3 ± 34.2	101.0 ± 37.4	115.3 ± 53.0	0.135
Laparoscopic	107.2 ± 6.7	98.4 ± 7.1	121.2 ± 7.4	0.153
Open	107.5 ± 7.8	103.7 ± 7.3	110.2 ± 7.0	0.814

DEX, dexmedetomidine. *p < 0.05, vs. DEX 0 µg.