Renal Dysfunction as a Predictor of Stroke and Systemic Embolism in Patients With Nonvalvular Atrial Fibrillation: Validation of the R2CHADS2 Index in the ROCKET AF and ATRIA Study Cohorts

Study Questions:

What are the factors associated with increased risk of stroke and systemic embolism in patients with nonvalvular atrial fibrillation (AF) enrolled in the ROCKET AF study?