Why the study?
Does attribute matching improve the accuracy of forecasting a very low probability of VTE in symptomatic ED patients evaluated for suspected PE compared with the Wells score?
Population
10,734 symptomatic emergency department patients evaluated for suspected pulmonary embolism from 15…
Comparison
Attribute matching method to estimate pretest… vs Wells score of 0
Design
Cohort
Follow-up
45 days
Authors
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May enhance low-risk identification for suspected PE in ED; hypothesis-generating and requires prospective validation before practice change.
Does attribute matching improve the accuracy of forecasting a very low probability of VTE in symptomatic ED patients evaluated for suspected PE compared with the Wells score?
Attribute matching accurately identifies a subset of ED patients with suspected PE who have a very low (<2.5%) pretest probability of VTE, performing favorably compared to a Wells score of 0.
Kline et al. (2010) studied this question.
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