Table 5.

Incidence and Rhodes index of post‐operative nausea, vomiting and retching

	Ramosetron (n = 554)	Ondansetron (n = 548)
6 h post‐operative
Incidence	86 (15.5)	102 (18.6)
RINVR
Experience	0 (0–20)	0 (0–18)
Occurrence	0 (0–12)	0 (0–12)
Distress	0 (0–9)	0 (0–8)
24 h post‐operative
Incidence *	77 (13.9)	113 (20.6)
RINVR
Experience *	0 (0–15)	0 (0–32)
Occurrence *	0 (0–10)	0 (0–20)
Distress *	0 (0–9)	0 (0–12)
48 h post‐operative
Incidence *	44 (7.9)	66 (12.0)
RINVR
Experience *	0 (0–16)	0 (0–20)
Occurrence *	0 (0–16)	0 (0–12)
Distress *	0 (0–7)	0 (0–8)
Overall incidence *	145 (26.2)	179 (32.7)

Data are numbers (percentages) or medians (ranges), as appropriate. RINVR, Rhodes index of nausea, vomiting and retching.

^* P < 0.05 vs. the ondansetron group.