Wells prediction score for deep vein thrombosis (DVT)
Active cancer (treatment within last six months or palliative)
Calf swelling ≥3 cm compared to asymptomatic calf (measured 10 cm below tibial tuberosity)
Collateral superficial veins (non-varicose)
Pitting oedema (confined to symptomatic leg)
Swelling of entire leg
Localised tenderness along distribution of deep venous system
Paralysis, paresis, or recent cast immobilisation of lower extremities
Recently bedridden ≥3 days, or major surgery requiring regional or general anaesthetic in the previous 12 weeks
Previously documented DVT
Alternative diagnosis at least as likely as DVT
Results
Score {{ wellsscoredvt.points }}
DVT {{ wellsscoredvt.result }}
Reference: Wells PS, Anderson DR, Rodger M et al. (2003). Evaluation of D-dimer in the diagnosis of 8 suspected deep-vein thrombosis. New England Journal of Medicine 349: 1227–35