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Table 1 Deep vein thrombosis Wells’ score [10]

From: Pathways for outpatient management of venous thromboembolism in a UK centre

Criteria

Points

Active cancer

+1

Paralysis, paresis or recent plaster cast of the lower limb

+1

Bedridden for 3+ days or major surgery within 12 weeks

+1

Pain/tenderness along deep vein system

+1

Swollen leg

+1

Calf swelling >3 cm more than asymptomatic leg

+1

Pitting oedema in symptomatic leg only

+1

Collateral superficial veins

+1

History of DVT

+1

Alternative cause is considered at least as likely as DVT

−2

Outcome:

 

DVT unlikely:

Score ≤1 (consider trauma, cellulitis)

DVT likely:

Score ≥2

  1. DVT deep vein thrombosis