June 13, 2001JAMA
Validation of Clinical Classification Schemes for Predicting Stroke
Why the study?
Do clinical classification schemes, specifically the CHADS2 index, accurately quantify the risk of stroke in patients with atrial fibrillation?
Population
Patients who have AF (atrial fibrillation)
Design
Cohort
Authors
Discussion
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Member takes
Implication
CHADS2 may aid AF stroke risk stratification; extends prior schemes but leaves open need for prospective validation.
Structured PICO
Do clinical classification schemes, specifically the CHADS2 index, accurately quantify the risk of stroke in patients with atrial fibrillation?
P
Population
Patients who have AF (atrial fibrillation)
I
Intervention
Clinical classification schemes for predicting stroke (specifically the new CHADS2 index)
O
Outcome
Risk of strokehard clinical
The CHADS2 score is a valid tool for quantifying stroke risk in patients with atrial fibrillation, aiding in the selection of appropriate antithrombotic therapy.
Cite This Study
Gage et al. (2001) studied this question.