Clinical event Ondansetron (n = 32) n (%) Placebo (n = 33) n (%) p (1df)
Nothing reported 13 (40.62) 17 (51.51) χ2 = 0.77, p = 0.38
Somnolence 1 (3.12) 0 χ2 = 1.05, p = 0.49
Headache 5 (15.62) 5 (15.15) χ2 < 0.01, p > 0.99
Dyspepsia 2 (6.25) 3 (9.09) χ2 = 0.18, p > 0.99
Diarrhea 1 (3.12) 2 (6.06) χ2 = 0.32, p > 0.99
Constipation 5 (15.62) 1 (3.03) χ2 = 3.08, p = 0.10
Genitourinary symptoms 1 (3.12) 2 (6.06) χ2 = 0.32, p > 0.99
Pruritus 2 (6.25) 2 (6.06) χ2 < 0.01, p > 0.09
Table 5: Side-effect profile of subjects receiving ondansetron or placebo.