Wells-Score DVT

Active cancer: treatment ongoing, within 6 months, or palliative +1 Paralysis, paresis or recent plaster immobilisation of the lower extremities +1 Bedridden for 3 days or more, or major surgery within 12 weeks requiring general or regional anaesthesia +1 Localised tenderness along the distribution of the deep venous system +1 Entire leg swollen +1 Calf swelling at least 3 cm larger than the asymptomatic side +1 Pitting oedema confined to the symptomatic leg +1 Collateral superficial veins, non-varicose +1 Previously documented DVT +1 An alternative diagnosis is at least as likely as DVT -2