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| Number (%) of patients | P* | |||
|---|---|---|---|---|
| Vomiting | No vomiting | Total | ||
| Antiemetic drug preoperatively | 7 (80.0) | 14 (32.0) | 22 (40.0) | 0.01 |
| No antiemetic drug preoperatively | 2 (20.0) | 32 (68.0) | 33 (60.0) | |
| Total | 9 (100.0) | 46 (100.0) | 55 (100.0) | |
