Comparison 14. Sensitivity analysis: antenatal (± postnatal) prophylaxis with heparin versus no treatment/placebo.
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
14.1 Symptomatic thromboembolic events | 4 | 476 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.39 [0.08, 1.98] |
14.2 Symptomatic pulmonary embolism | 3 | 187 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.33 [0.02, 7.14] |
14.3 Symptomatic deep vein thrombosis | 3 | 187 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.33 [0.01, 7.93] |