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Duration of analgesia and adverse effects in two arms of the study
| Variable | Pregabalin | Placebo | P -value |
|---|---|---|---|
| Duration of analgesia (minute) |
185.3 ± 4.9 | 36.9 ± 13.9 | < 0.01 |
| Nausea | 23 (38.3%) | 19 (31.7%) | 0.36 |
| Vomit | 22 (36.7%) | 18 (30.0%) | 0.32 |
| Dizziness | 21 (35.0%) | 11 (18.3%) | < 0.01 |
