Compared to 0.5 mg/kg of normal saline was injected what was the result of received 0.5 mg/kg of ketamine IV 10 minutes before the surgical incision on The total number of pethidine injections in first 24 hours postoperatively?
The total number of pethidine injections in first 24 hours postoperatively was 0.6 ± 0.6 in the ketamine group and 2.0 ± 0.8 in the control group (P = 0.032).