Baseline characteristics
Baseline characteristics of enrolled patients are shown in Table 1. The mean age was 64.2±10.0 years. The majority of patients were male (80.0%) and had non-PAF (70.0%). The mean CHA2DS2-VASc score was 2.6±1.7, and CCr was 76.2±24.4 mL/min. There were no significant differences in the medical history and echocardiographic parameters between two groups, except for vascular disease (p=0.035). Compared to the ACT group, concomitant use of anti-platelet agent was higher in the No-ACT group, but was not statistically different between two groups.