Cardiology · Haematology

ATRIA Bleeding Risk Score calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Anemia: hemoglobin <13 g/dL in men or <12 g/dL in women

Severe renal disease: estimated glomerular filtration rate <30 mL/min or dialysis dependence

Age ≥75 years

Prior hemorrhage

Diagnosed hypertension

Result

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Clinical inputs

Anemia: hemoglobin <13 g/dL in men or <12 g/dL in women
Severe renal disease: estimated glomerular filtration rate <30 mL/min or dialysis dependence
Age ≥75 years
Prior hemorrhage
Diagnosed hypertension

Primary source

Fang MC et al. A New Risk Scheme to Predict Warfarin-Associated Hemorrhage: The ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) Study. J Am Coll Cardiol. DOI: 10.1016/j.jacc.2011.03.031. PMID: 21757117. Scope: adults with atrial fibrillation taking warfarin. (2011)

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