In this large Danish cohort of patients with nonvalvular Afib, the predictive ability of the CHADS2 score was compared to the expanded CHA2DS2-Vasc score. The latter score adds 1 point for age 65-74, 2 points for age >74, 1 point for female sex, and 1 point for any vascular disease. The predictive value was slightly better for the latter score, with an AUC of 0.88 for the CHA2DS2-Vasc versus and AUC of 0.81 for the CHADS2 score. It is not yet clear if this new scoring system will be adopted by US professional societies. The upgraded scoring system reclassifies a large majority of (old) low risk to intermediate risk, and (old) intermediate risk to high risk (necessitating more patients be on anticoagulants versus aspirin). (abstract)
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March 5, 2011 |
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About the Author: Danielle Scheurer
Danielle Scheurer, MD, MSCR, SFHM is a clinical hospitalist and the Chief Quality Officer at the Medical University of South Carolina in Charleston, South Carolina, where she also serves as Assistant Professor of Medicine. She is a graduate of the University of Tennessee College of Medicine, completed her residency at Duke University, and completed her Masters in Clinical Research at the Medical University of South Carolina. She is also the President of SHM's Board of Directors and previously served as Physician Editor of The Hospitalist, SHM's monthly newsmagazine.
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