Table 3.

Degree of Postoperative Pain and Incidence of Adverse Effects Between the TEAS Group and the Control Group

	TEAS Group (n=42)	Control Group (n=43)	P
VAS scores
2 h	4.74±1.5	5.77±1.2	0.001
4 h	3.93±1.3	5.02±1.2	<0.001
6 h	3.69±1.1	4.33±1.0	0.007
24 h	2.76±1.1	3.23±1.1	0.053
PCA pump press numbers	30.12±4.3	36.91±2.4	<0.001
Adverse effects
Nauseated and vomiting, n (%)	3 (7.1)	10 (23.3)	0.039
Dizzy, n (%)	3 (7.1)	12 (27.9)	0.012
Respiratory depression, n (%)	0 (0)	0 (0)	–
Bradycardia, n (%)	2 (4.8)	4 (9.3)	0.414

Note: Variables are presented as mean (±SD) or as frequency (percentage).

Abbreviation: VAS, visual analogue scale.