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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 At least one exposure to antimicrobial drugs | 2 | Risk Ratio (M‐H, Fixed, 95% CI) | Totals not selected | |
| 1.1 Healthy children | 1 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] | |
| 1.2 Otitis‐prone children | 1 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
