Table 5 Comparisons of pain level and requirement for rescue pain killer in the three groups
| Â | Ramosetron (n = 39) | Ondansetron (n = 43) | Control (n = 40) | P value |
|---|---|---|---|---|
Pain score (VAS) | Â | Â | Â | Â |
 0–6 h | 5.3 ± 2.3 | 3.5 ± 1.9* | 5.0 ± 2.5 | 0.001 |
 6–24 h | 4.4 ± 2.4 | 3.7 ± 1.9 | 4.6 ± 2.7 | 0.215 |
 24–48 h | 3.4 ± 2.6 | 2.9 ± 2.4 | 2.9 ± 2.6 | 0.081 |
Rescue pain killer | 33 (85) | 33 (77) | 34 (85) | 0.541 |
 0–6 h | 21 (54) | 17 (40) | 25 (63) | 0.106 |
 6–24 h | 20 (51) | 24 (56) | 24 (60) | 0.738 |
 24–48 h | 16 (41) | 8 (19) | 14 (35) | 0.074 |