Table 2.

Comparison of postoperative outcomes between the groups.

		OND	Control	p value
VAS pain	2 hr	5.3 ± 1.0	6.0 ± 1.0	0.01
	2–6 hr	4.3 ± 1.0	4.5 ± 1.1	0.4
	6−12 hr	3.08 ± 1.24	2.80 ± 0.93	0.3
	12−24 hr	1.8 ± 1.0	1.4 ± 1.1	0.1
	p value	<0.001	<0.001
Nausea and vomiting	2 hr	2 (5%)	10 (25%)	0.03
	2–6 hr	3 (7.5%)	11 (27.5)	0.04
	6−12 hr	2 (5%)	1 (2.5%)	1.000
	12−24 hr	0	0	—
Pethidine use	2 hr	1	1	—
	2–6 hr	0.4 ± 0.5	0.5 ± 0.5	0.4
	6−12 hr	0.1 ± 0.3	0.1 ± 0.3	0.7
	12−24 hr	0	0.02 ± 0.2	0.3
	p value	<0.001	<0.001	—