Why the study?
Does the unstructured clinical estimate of pretest probability for pulmonary embolism compare favorably with the Canadian score and the Charlotte rule in patients with suspected pulmonary embolism?
Population
2,603 patients evaluated for suspected pulmonary embolism at an urban academic emergency department, mean…
Comparison
Unstructured clinical estimate of pretest… vs Canadian score and Charlotte rule
Design
Cohort
Follow-up
45-day
Authors
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Unstructured low-risk estimates may support PE rule-out decisions; leaves open whether they can replace structured scores without prospective validation.
Does the unstructured clinical estimate of pretest probability for pulmonary embolism compare favorably with the Canadian score and the Charlotte rule in patients with suspected pulmonary embolism?
The unstructured clinical estimate of low pretest probability for pulmonary embolism performs comparably to the Canadian score and Charlotte rule, with moderate interobserver agreement.
Kline et al. (2005) studied this question.
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