Group A/B Number of episodes of PONV Number of episodes of PONV Number of episodes of PONV Row     0 1 2   Count A 22 2 0 24 Row Percent   92% 8% 0%   Count B 16 7 1 24 Row Percent   67% 29% 4%   Count all groups 38 9 1 48 Wilcoxon-Mann-Whitney, P=0.06

Table 5: Quantity of postoperative nausea and vomiting by group.