Measure Time Groups   Difference 95% CI Bonferroni
    Placebo P150      
Nausea 2 0 [0, 2] 0 [0, 1.5] 0.2189 -1.16 to 0.72 ns
  24 0 [0, 1] 0 [0, 0] 0.5772 -1.51 to 0.36 ns
  48 0 [0, 0] 0 [0, 0] 0.2224 -1.16 to 0.71 ns
Pruritus 2 0 [0, 0] 0 [0, 0] 0.129 -0.32 to 0.07 ns
  24 0 [0, 0] 0 [0, 0] 0.0219 -0.22 to 0.17 ns
  48 0 [0, 0] 0 [0, 0] 0.0288 -0.22 to 0.17 ns
        Relative Risk p-value
Vomiting 2 3 (9.7%) 4 (14.3%) 0.68 0.17 to 2.77 0.7
  24 2 (6.5%) 1 (3.6%) 1.81 0.17 to 18.87 1
  48 0 (0%) 0 (0%)
Urine Retention 24 0 (0%) 1 (3.6%) 0 0.47
  48 0 (0%) 0 (0%)
Table 4: Group Wise Comparison of Nausea, Pruritus, and Vomiting Scores 2, 24, and 48 h Postoperatively, Nausea and pruritus scores analyzed by repeated measures ANOVA, Vomiting and Urine Retention scores analyzed by Fisher’s exact test, Data presented as median [IQR] or total n (%).