Table 4.

Extubation Time, PACU Stay Time, Incidence of Fentanyl Injection, and Postoperative Nausea and Vomiting

Values of extubation time and delivery time are mean ± SD. There are no significant differences among the 3 groups in delivery time and PONV. PONV (Postoperative nausea and vomiting) scale: 1 = none, 2 = retching, 3 = one episode of vomiting, 4 = multiple episodes of vomiting. Group C: administration of normal saline. Group K1.0: administration of ketamine 1.0 mg/kg intravenously before entering the operating room. Group K0.5: administration of ketamine 0.5 mg/kg 10 min before the end of the surgery. ^*P < 0.05 compared with the Group C.