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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Per cent mortality at 12 months | 3 | 799 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.78 [0.65, 0.92] |
| 1.1 Per cent mortality at 12 mos | 3 | 799 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.78 [0.65, 0.92] |
