Table 1.
Deep vein thrombosis Wells’ score [10]
| 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 |
DVT deep vein thrombosis