ATRIA Stroke Risk Score

Clinical Use

Estimate stroke risk in patients with atrial fibrillation 

Information

The ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) study followed up 13,559 adults with nonvalvular, nontransient atrial fibrillation with 9,217 patientstook warfarin at some point during follow‐up. There are 8 variables used for the calculation of the score.

 

Risk FactorPoints without prior strokePoints with prior stroke
Age, y
≥8569
75 to 8457
65 to 7437
<6508
Female11
Diabetes11
Heart failure11
Hypertension11
Proteinuria11
eGFR<45 or ESRD11

 

ScoreRiskMajor bleeding at one year
0 – 5Low<1%
>6Intermediate1 – <2%
>6High

≥2%

Reference

1Singer DE, Chang Y, et al. A New Risk Scheme to Predict Ischemic Stroke and Other Thromboembolism in Atrial Fibrillation: The ATRIA Study Stroke Risk Score. J Am Heart Assoc. 2013 Jun; 2(3):e000250. Full text

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Developer: Sirikarn Napan, MD, FACC