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Adverse Events of the Participants in the 2 Groups.
| Adverse Events | Placebo (n = 69), n (%) | Ginger (n = 71), n (%) | P |
|---|---|---|---|
| Drowsiness | 21 (30.4) | 30 (42.2) | .163 |
| Dry mouth | 9 (13.0) | 18 (25.4) | .086 |
| Heartburn | 3 (4.35) | 6 (8.45) | .494 |
| Flushing | 5 (7.2) | 11 (15.5) | .184 |
