Figure 3From: Motion of left atrial appendage as a determinant of thrombus formation in patients with a low CHADS2 score receiving warfarin for persistent nonvalvular atrial fibrillation Receiver operating characteristic curves for the prediction of left atrial appendage thrombus in 140 persistent atrial fibrillation patients with low CHADS2 score (≤1). LAA: left atrial appendage, AUC: Area under the curve.Back to article page