Long term v short term treatment with oral anticoagulants for venous thromboembolism†
| Outcomes at 15 mo | Long term(12 wk) | Short term(6 wk) | RRI (95% CI) | NNH |
|---|---|---|---|---|
| CDVT | ||||
| Recurrence | 3% | 2% | 71% (−65 to 743) | Not significant |
| Haemorrhage (major, minor, or fatal) | 21% | 12% | 66% (−12 to 216) | Not significant |
| Major haemorrhage | 3% | 1% | 242% (−50 to 2269) | Not significant |
| Long term (6 mo) | Short term(3 mo) | |||
|---|---|---|---|---|
| PDVT/PE | ||||
| Recurrence | 9% | 8% | 10% (−37 to 92) | Not significant |
| Haemorrhage (major, minor, or fatal) | 17% | 16% | 7% (−26 to 57) | Not significant |
| RRR (CI) | NNT | |||
|---|---|---|---|---|
| †CDVT = calf deep venous thrombosis; PDVT/PE = proximal deep venous thrombosis or pulmonary embolism, or both. Other abbreviations defined in glossary; RRI, RRR, NNH, NNT, and CI calculated from data in article. | ||||
| Major haemorrhage | 2% | 3% | 60% (−45 to 363) | Not significant |