Electroacupuncture Reduces Postoperative Pain and Analgesic Consumption in Patients Undergoing Thoracic Surgery: A Randomized Study

Table 2

Incidence of nausea and vomiting.

Symptoms	EA group ()	Sham group ()	value
Nausea	10 (21.7%)	22 (47.8%)	<0.01 ( = 6.90)
Vomiting	3 (6.5%)	5 (10.9%)	0.459 ( = 0.55)
Flatus (h)	24.3 ± 8.2	35.7 ± 7.76	<0.001
Defecation (h)	42.7 ± 13.9	59.2 ± 11.3	<0.001

Values are number of patients (percentages).