BMC Anesthesiology

Table 3 Post-operative incidence of nausea and vomiting

From: Postoperative analgesic efficacy of ear acupuncture in patients undergoing abdominal hysterectomy: a randomized controlled trial

		post-operative nausea			post-operative vomiting
		EEA group (n = 28)	Control group (n = 28)	p	EEA group (n = 28)	Control group (n = 28)	p
PACU	N (%)	0	0	.	0	0	.
After 1 h	N (%)	0	7 (25%)	0.005*	0	0	.
After 3 h	N (%)	0	6 (21.4%)	0.01*	0	0	.
After 6 h	N (%)	0	8 (28.6%)	0.002*	0	4 (14.3%)	0.038*
After 12 h	N (%)	0	20 (71.4%)	0.000*	0	0	.
After 24 hr	N (%)	0	0	.	0	0	.

*statistically significant at p ≤ 0.05
p p-value for comparing between the two groups

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