Comparison 3. Standard valve versus constant flow valve.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 3.1 Treatment failure | 1 | 229 | Risk Ratio (M‐H, Random, 95% CI) | 1.08 [0.79, 1.47] |
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 3.1 Treatment failure | 1 | 229 | Risk Ratio (M‐H, Random, 95% CI) | 1.08 [0.79, 1.47] |