@article{8d727ed71ba142eb8552762c21536d7f,
title = "Validation of risk stratification schemes for predicting stroke and thromboembolism in patients with atrial fibrillation: nationwide cohort study",
abstract = "To evaluate the individual risk factors composing the CHADS(2) (Congestive heart failure, Hypertension, Age ≥ 75 years, Diabetes, previous Stroke) score and the CHA(2)DS(2)-VASc (CHA(2)DS(2)-Vascular disease, Age 65-74 years, Sex category) score and to calculate the capability of the schemes to predict thromboembolism.",
keywords = "Aged, Atrial Fibrillation, Female, Hospitalization, Humans, Kaplan-Meier Estimate, Male, Risk Assessment, Stroke, Thromboembolism, Vitamin K",
author = "Olesen, {Jonas Bjerring} and Lip, {Gregory Y H} and Hansen, {Morten Lock} and Hansen, {Peter Riis} and Tolstrup, {Janne Schurmann} and Jesper Lindhardsen and Christian Selmer and Ole Ahlehoff and Olsen, {Anne-Marie Schjerning} and Gislason, {Gunnar Hilmar} and Christian Torp-Pedersen",
year = "2011",
language = "English",
volume = "342",
pages = "d124",
journal = "B M J",
issn = "0959-8146",
publisher = "B M J Group",
}