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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Allergic rhinitis symptom scores | 10 | 505 | Std. Mean Difference (IV, Random, 95% CI) | ‐0.93 [‐1.69, ‐0.17] |
| 2 Medication scores | 6 | 365 | Std. Mean Difference (IV, Random, 95% CI) | ‐0.43 [‐0.89, 0.02] |
