Fig. 3.

Severity of nausea during the 24 hr postoperative period. ^*P < 0.001 compared with the control and sham groups. P6 group: capsicum plaster at the P6 and an inactive tape at the deltoid region of both shoulders, K-D2 group: capsicum plaster at the K-D2 acupoint and an inactive tape at both deltoid regions, Control group: an inactive tape at the P6 acupoint and at both deltoid regions, Sham group: capsicum plaster on both shoulders and an inactive tape at both P6 points.