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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Mean nausea score on day 7 | 1 | 296 | Mean Difference (IV, Fixed, 95% CI) | −0.70 [−1.36, −0.04] |
| 2 Mean dry retching score on day 7 | 1 | 296 | Mean Difference (IV, Fixed, 95% CI) | −0.20 [−0.57, 0.17] |
| 3 Mean vomiting score on day 7 | 1 | 296 | Mean Difference (IV, Fixed, 95% CI) | −0.10 [−0.58, 0.38] |
