Risk factor | Prevalence (%)(n = 425) |
---|---|
Family history of thromboembolism | 11.8 |
Previous thromboembolic event | 12 |
Anticoagulation | 5.6 |
Intravenous drug use | 4.5 |
Surgery in previous four weeks | 1.4 |
Immobilisation in last four weeks | 7.1 |
Limb immobilisation in last four weeks | 2.6 |
Cancer therapy in last six months | 1.4 |
Post partum | 1.4 |
Oral contraception | 8.2 |
Hormone replacement therapy | 3.1 |
Cardiac failure | 2.4 |
Varicose veins | 3.8 |
Haemoptysis | 10.1 |
Symptoms of a deep vein thrombosis | 20.9 |