Grouping
For this post hoc analysis, the patients with successful LAAC performed between November 2016 and May 2018 and later treated with DAPT for 3 months were grouped as DAPT group. Those who underwent LAAC successfully between February 2012 and April 2017 and received anticoagulant plus aspirin for 45 days followed by DAPT for 4.5 months were grouped into ACT group.