Wells Clinical Prediction Guide
nThe
Wells clinical prediction guide incorporates risk factors, clinical signs,
and the presence or absence of alternative diagnoses
n.
Wells Clinical Prediction Guide for DVTClinical ParameterScore
nActive
cancer (treatment ongoing, or within 6 months or palliative)1
nParalysis
or recent plaster immobilization 1
nRecently
bedridden for >3 days or major surgery <4 weeks1
nLocalized
tenderness along the distribution of the deep venous system1
nEntire
leg swelling1
nCalf
swelling >3 cm compared to the asymptomatic leg 1
nPitting
edema (greater in the symptomatic leg)1
nCollateral
superficial veins (nonvaricose)1
nAlternative
diagnosis (as likely or > that of DVT)
nTotal
of Above Score
High probability: Score ³3
Moderate probability: Score = 1 or 2
Low probability: Score £0
nAdapted
from Anand SS, et al. JAMA. 1998; 279 [14];1094
Diagnostic
Studies
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