Table 9.
Risk Factors for Venous Thromboembolism (VTE)
| Surgery |
| Trauma (major or lower extremity) |
| Immobility, paresis |
| Malignancy |
| Cancer therapy (hormonal, chemotherapy, or radiotherapy) |
| Previous VTE |
| Increasing age |
| Pregnancy and the postpartum period |
| Estrogen-containing oral contraception or hormone replacement therapy |
| Selective estrogen receptor modulators |
| Acute medical illness |
| Heart or respiratory failure |
| Inflammatory bowel disease |
| Nephrotic syndrome |
| Myeloproliferative disorders |
| Paroxysmal nocturnal hemoglobinuria |
| Obesity |
| Smoking |
| Varicose veins |
| Central venous catheterization |
| Inherited or acquired thrombophilia |
From Geerts et al,44 with permission.