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  Well's DVT score  

Active Cancer Yes (+1)
(>3days or recent surgery within 4 wks)
Yes (+1)
Calf swelling
(>3cm compared to other leg)
Yes (+1)
Collateral superficial veins present Yes (+1)
Entire leg swollen Yes (+1)
Localised tenderness Yes (+1)
Pitting Oedema in symptomatic leg Yes (+1)
Paralysis, immobilisation Yes (+1)
Previous DVT Yes (+1)
Alternative diagnosis to DVT
is "as likely" or "more likely"
Yes (-2)
Wells Score (points)

Score Interpretation:

Calculation(s) used

Well's scoring for DVT: Points are awarded for each Q, except for the alternative diagnosis question in which 2 points are subtracted. The result is the total sum of the points awarded.



Wells Score DVT risk
0 - 2 DVT unlikely
Consider d-dimer test to
rule out DVT
2 or >2 DVT likely
Consider imagine veins in the leg


1. Does this patient have deep vein thrombosis? Wells PS, Owen C, Doucette S, Fergusson D, Tran H. JAMA. 2006 Jan 11;295(2):199-207. Review.

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