Comparison 3. Adverse effects.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Adverse effects associated with procedure | 5 | 210 | Peto Odds Ratio (Peto, Fixed, 95% CI) | 0.16 [0.06, 0.43] |
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