Hormone replacement therapy (HRT) v placebo in postmenopausal women with established coronary artery disease†
| Outcomes at mean 4.1 years | HRT | Placebo | RRI (95% CI) | NNH (CI) |
|---|---|---|---|---|
| †Abbreviations defined in glossary; RRI, NNH, and CI calculated from data in article. | ||||
| Any venous thromboembolic event | 2.5% | 0.9% | 162% (40 to 390) | 66 (39 to 172) |
| Deep venous thrombosis | 1.8% | 0.7% | 178% (33 to 484) | 86 (48 to 279) |
| Non-idiopathic venous thromboembolic event | 1.8% | 0.7% | 151% (23 to 412) | 92 (50 to 372) |
| Pulmonary embolism | 0.8% | 0.3% | 176% (−7 to 718) | Not significant |
| Idiopathic venous thromboembolic event | 0.7% | 0.2% | 201% (−12 to 925) | Not significant |
