Comparison 5. Subgroup analysis: antibodies in recipients detected at baseline for the comparison of convalescent plasma versus placebo or standard care alone for individuals with moderate to severe disease.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 5.1 All‐cause mortality at up to day 28 | 1 | 9385 | Risk Ratio (M‐H, Random, 95% CI) | 0.98 [0.89, 1.09] |
| 5.1.1 Antibodies detected at baseline | 1 | 5774 | Risk Ratio (M‐H, Random, 95% CI) | 1.04 [0.93, 1.16] |
| 5.1.2 No antibodies detected at baseline | 1 | 3611 | Risk Ratio (M‐H, Random, 95% CI) | 0.94 [0.85, 1.03] |