Response to Letter Regarding “Catheter Ablation of Atrial Fibrillation in Patients With Left Ventricular Systolic Dysfunction: A Systematic Review and Meta-Analysis”

We thank Petretta1 for his appreciation of our recent meta-analysis published in Circulation: Arrhythmia Electrophysiology 2 and for giving us the ability to clarify some aspects concerning the statistical analysis. Our meta-analysis is based on several observational and a few randomized studies in which the incidence of the recorded outcomes are reported, as correctly …