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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 4.1 Proportion improved | 1 | 76 | Risk Ratio (M‐H, Fixed, 95% CI) | 2.24 [1.10, 4.55] |
| 4.2 Speech audiometry: additional outcomes | 1 | Risk Ratio (M‐H, Fixed, 95% CI) | Subtotals only | |
| 4.2.1 Improvement in speech discrimination score | 1 | 76 | Risk Ratio (M‐H, Fixed, 95% CI) | 2.41 [1.12, 5.18] |
