Comparison 5. X‐ray radiation versus sham radiation.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Clearance | 1 | 100 | Risk Ratio (M‐H, Random, 95% CI) | 1.08 [0.63, 1.87] |
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