Effect of Acupuncture on Postoperative Pain in Patients after Laparoscopic Cholecystectomy: A Randomized Clinical Trial

Table 4

The number of patients required for parecoxib sodium (%).

	Acupuncture group (n = 21)	Control group (n = 21)	^a
0–6 h	3 (14.29)	10 (47.62)	0.019
6–12 h	2 (9.52)	6 (28.57)	<0.001

Data are presented as the number (%). ^acalculated using Pearson’s chi-square test.