Fig. 3

Comparison of postoperative complications between the two groups. Note: *The incidence of nausea and vomiting was higher in the control group than in the study group, P = 0.006. **The incidence of abdominal pain was higher in the control group than in the study group, P = 0.038. ***The abdominal pain in the control group was higher than in the study group, P = 0.012