Antiplatelet drugs v placebo or no antiplatelet drug for women at risk for pre-eclampsia*
| Weighted event rates | |||||
|---|---|---|---|---|---|
| Outcomes at delivery | Number of trials | Antiplatelet | Placebo | RRR (95% CI) | NNT (CI) |
| *Abbreviations defined in glossary; weighted event rates calculated from data in article. | |||||
| Pre-eclampsia | 27 | 6.8% | 7.8% | 15% (8 to 22) | 100 (59 to 167) |
| Preterm birth | 23 | 17.2% | 18.6% | 8% (3 to 12) | 72 (44 to 200) |
| Stillbirth or neonatal death | 30 | 2.5% | 2.9% | 14% (2 to 25) | 250 (125 to >10 000) |
