VAS-S and VAS-V scores of both groups were not significantly different at 1 hour, 2 hours and 4 hours after surgery, however, the score in group 1 was significantly higher than group 2 after 8 hours, 12 hours, 16 hours and 24 hours after surgery. The rate of vomiting in group 1 accounted for 20% which was much higher than group 2 with only 4%, p < 0.05.