Value of assessment of pretest probability of deep-vein thrombosis in clinical management

Field Value
Model ID97-014-01
Model NameWells Score 1997
Pubmed ID9428249
First AuthorWells
JournalLancet
Year1997
TitleValue of assessment of pretest probability of deep-vein thrombosis in clinical management
Primary Index ConditionVenous Thromboembolism (VTE)
Secondary Index ConditionDiagnosis
OutcomeVenous Thromboembolism (VTE)
Model Sample Size593
Cohort Sample Size593
Number of Events95
Follow-Up DurationDiagnosis
AUROCNR
Calibration Reported1
CovariatesActive cancer (treatment ongoing or within previous 6 months or palliative); Paralysis, paresis, or recent plaster immobilization of the lower extremities; Recently bedridden for more than 3 days or major surgery, within 4 weeks; Localized tenderness along the distribution of the deep venous system; Entire leg swollen; Calf swelling by more than 3 cm when compared to asymptomatic leg (measured 10 cm below tibial tuberosity); Pitting edema (greater in symptomatic leg); Collateral superficial veins (non-varicose); Alternative diagnosis as likely or greater than that of deep vein thrombosis
Mesh TermsTo be updated
Number of Validations2

External Validations

Yes
2
0.72
1st Author Year Sample Size AUC Calibration Relatedness
Tagelagi 2007 327 NR No Related
Cornuz 2002 278 0.72 No Distantly Related