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Kaplan–Meier analysis for atrial tachyarrhythmia-free survival after the first procedures in the overall population (A) and in patients with LVSD and normal LVF (B), after multiple procedures in the overall population (C), and in patients with LVSD and normal LVF (D). ATa, atrial tachyarrhythmia; LVSD, left ventricular systolic dysfunction; LVF, left ventricular function.
