Variable | Points |
Active cancer (treatment ongoing or within previous 6 months or palliative) | 1 |
Paralysis, paresis, or recent plaster immobilization of the lower extremities | 1 |
Recently bedridden >3 days or major surgery within 4 weeks | 1 |
Localized tenderness along the distribution of the deep venous system | 1 |
Entire leg swollen | 1 |
Calf swelling 3 cm greater than on asymptomatic side (measured 10 cm below tibial tuberosity) | 1 |
Pitting edema confined to the symptomatic leg | 1 |
Dilated superficial veins (non-varicose) | 1 |
Alternative diagnosis as likely or greater than that of DVT | −2 |
Total Score: |
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