Table 3.
Postoperative nausea and vomiting, discomfort induced by postoperative nausea and vomiting assessed by the visual analogic scale, and rescue management, according to the control arm (n=300) or active arm (n=202)
| Control arm (n=300), n (%) | Active arm (n=202), n (%) | P | |
|---|---|---|---|
| PONV | 162 (54.0) | 92 (45.5) | 0.063 |
| Mean nausea±SD | 1.15±1.17 | 1.15±1.17 | 0.97 |
| Mean vomiting events±SD | 1.1±1.2 | 0.8±1 | 0.046 |
| Antiemetics | 96 (32.0) | 58 (28.7) | 0.43 |
| Metoclopramide±SD (mg) | 11.1±6.9 | 9.3±9 | 0.096 |
| Ondansetron±SD (mg) | 2.4±2.9 | 1.1±2.1 | 0.011 |
| Mean VAS PONV score±SD | 15.3±22.6 | 10.9±19.1 | 0.043 |
| VAS PONV ≥40 | 51 (17.0) | 19 (9.4) | 0.016 |
| PONV worst discomfort experienced | 31 (10.3) | 15 (7.4) | 0.27 |
PONV: Postoperative nausea and vomiting, VAS: Visual analog scale, SD: Standard deviation