Fig. 1From: Accuracy of implantable loop recorders for detecting atrial tachyarrhythmias after atrial fibrillation catheter ablationClassification of AF episodes. The definitions of the sensitivity, specificity, positive predictive value, and negative predictive value were based on the sum of the episodes. AF atrial fibrillation, ILR implantable loop recorder, TP true positive, FP false positive; TN true negative, FN false negativeBack to article page