Waddah Maskoun et al. JACEP 2016;2:682-690 Meta-Analysis Meta-analysis of the atrial fibrillation (AF) incidence rate after atrial flutter (AFL) ablation in patients with history of (H/o) AF versus no prior AF and the effects of the duration of the follow-up was evaluated by sub-group analysis for studies with <2 years of follow-up versus >2 years of follow-up (studies reported as first author and year of publication). CI = confidence interval; M-H = Metropolis-Hastings algorithm. Waddah Maskoun et al. JACEP 2016;2:682-690 American College of Cardiology Foundation