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Score CHADS211 CHA2DS2-VASc12 0 1.9% 0.0% 1 2.8% 1.3% 2 4.0% 2.2% 3 5.9% 3.2% 4 8.5% 4.0% 5 12.5% 6.7% 6 18.2% 9.8% 7 — 9.6% 8 — 12.5% 9 — 15.2% CHADS2: 1 point each for congestive heart failure, hypertension, age ≥ 75, diabetes mellitus; 2 points for prior stroke or transient ischemic attack.
CHA2DS2-VASc: 1 point each for congestive heart failure, hypertension, age 65–74, diabetes mellitus, vascular disease (coronary artery disease, peripheral arterial disease, aortic aneurysm), sex category female; 2 points for age ≥ 75 and for prior stroke or transient ischemic attack.
HAS-BLED14 Points HEMORR2HAGES15 Points ATRIA16 Points Hypertension 1 Hepatic or renal abnormality 1 Anemia 3 Abnormal renal function 1 Ethanol abuse 1 Severe renal disease 3 Abnormal liver function 1 Malignancy 1 Age ≥ 75 2 Stroke 1 Older age (> 75) 1 Prior bleed 1 Bleeding history 1 Reduced platelet function 1 Hypertension 1 Labile INR 1 Rebleeding risk 2 Elderly (age > 65) 1 Hypertension (uncontrolled) 1 Drugs 1 Anemia 1 Alcohol 1 Genetic factors 1 Excessive falls 1 Stroke 1 Maximum score 9 Maximum score 12 Maximum score 10 ATRIA = Anticoagulation and Risk Factors in Atrial Fibrillation study16; INR = international normalized ratio
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