Clinical Decision

Wells Criteria for DVT Calculator

Free Wells Criteria for DVT Calculator. Estimate pre-test probability of deep vein thrombosis with evidence-based scoring and diagnostic pathway guidance.

References

  1. NICE NG158. Table 1 and recommendations 1.1.1–1.1.14: adult lower-extremity DVT score and diagnostic pathway.
  2. Lim W, Le Gal G, Bates SM, et al. ASH 2018 guidelines: diagnosis of venous thromboembolism. Recommendations 5–8 and remarks.
  3. Wells PS, Anderson DR, Rodger M, et al. Evaluation of D-dimer in the diagnosis of suspected deep-vein thrombosis. N Engl J Med. 2003;349:1227–1235.
  4. Wells PS, Owen C, Doucette S, Fergusson D, Tran H. Does this patient have deep vein thrombosis? JAMA. 2006;295:199–207. Historical pooled outpatient prevalence.
  5. Bates SM, Jaeschke R, Stevens SM, et al. Diagnosis of DVT. CHEST 2012 guideline, section 3.1.1: historical Wells cohort prevalence and version context.
  6. Geersing GJ, Zuithoff NPA, Kearon C, et al. Exclusion of deep vein thrombosis using the Wells rule in clinically important subgroups: individual patient data meta-analysis. BMJ. 2014;348:g1340.

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