Stroke with intermittent atrial fibrillation: incidence and predictors during aspirin therapy
Robert G. Hart, MDa,
Lesly A. Pearce, MS ,
Robert M. Rothbart, MD, FACC ,
John H. McAnulty, MD, FACC ,
Richard W. Asinger, MD, FACC||,
Jonathan L. Halperin, MD, FACC¶ for the Stroke Prevention in Atrial Fibrillation Investigators
a University of Texas Health Science Center, San Antonio, Texas, USA
Axio Research Corporation, Seattle, Washington, USA
LeBauer Cardiology Associates, Greensboro, North Carolina, USA
Oregon Health Sciences University, Portland, Oregon, USA
|| Hennepin County Medical Center, Minneapolis, Minnesota, USA
¶ Mt. Sinai Medical Center, New York, New York, USA

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Figure 1 Distribution according to predicted stroke risk using the SPAF Exploratory Analysis Criteria for patients with intermittent (n = 460) versus sustained (n = 1552) atrial fibrillation.
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Figure 2 Observed rates of ischemic stroke according to risk category.
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