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

Figure 3

Plasma β-EP (a) and 5-HT (b) levels in patients receiving either the electroacupuncture (EA) treatment () or the sham treatment (). , , and versus baseline; , , and versus sham group.

(a)

(b)