Comparison 4. Anticoagulant agent versus placebo.
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
4.1 Major bleeding | 1 | Risk Ratio (IV, Random, 95% CI) | Totals not selected | |
4.2 Adverse events | 1 | 919 | Risk Ratio (IV, Random, 95% CI) | 0.89 [0.81, 0.99] |