Key result
Application of 12 different stroke risk stratification schemes to the same cohorts resulted in the fraction of patients categorized as high-risk varying widely from 11% to 77%.
There are substantial, clinically relevant differences among published schemes designed to stratify stroke risk in patients with atrial fibrillation, highlighting the need for standardization.
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Variability in high-risk classification across schemes cautions against sole reliance on any one tool for AF decisions; leaves open the need for standardized validation.
A 2008 study conducted a review in Nonvalvular Atrial Fibrillation. 12 Risk Stratification Schemes was evaluated on Stroke. Application of 12 different stroke risk stratification schemes to the same cohorts resulted in the fraction of patients categorized as high-risk varying widely from 11% to 77%.
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