Table 1 Risk factors for venous thromboembolism
From: Venous thromboembolism in head and neck cancer surgery
| Surgery | |
| Trauma | |
| Immobility/paresis | |
| Cancer | |
| Cancer therapy | |
| Venous compression | |
| Previous VTE | |
| Increasing age | |
| Pregnancy/postpartum | |
| Oral contraceptive/HRT | |
| Estrogen receptor modulators | |
| Erythropoiesis-stimulating agents | |
| Acute medical illness | |
| Inflammatory bowel disease | |
| Nephrotic syndrome | |
| Myeloproliferative disorders | |
| Paroxysmal nocturnal hemoglobinuria | |
| Obesity | |
| Central venous catheterization | |
| Inherited/acquired thrombophilia |