Probability of deep vein thrombosis (DVT): Wells score

1. Paralysis, partial paralysis or orthopedic cast on the lower limb in the recent past:

Yes

No

2. Bedridden patient (more than 3 days) or major surgery in the last 4 weeks:

Yes

No

3. Local deep vein tenderness of the lower extremities:

Yes

No

4. Swelling of the entire leg:

Yes

No

5. Swelling of the back of the lower leg, 3 cm difference with the other leg (measured 10 cm below the tibial tuberosity):

Yes

No

6. Swelling with a trace on the skin when pressure is applied to the affected leg:

Yes

No

7. Collateral non-varicose superficial veins:

Yes

No

8. Exacerbation of cancer or cancer treatment within the last 6 months:

Yes

No

9. Alternative diagnosis more likely than deep vein thrombosis (Baker's cyst, cellulitis, muscle injury, superficial vein thrombosis, post-phlebitic syndrome, inguinal lymphadenopathy, external vein compression):

Yes

No

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