Patient characteristics
In our overall cohort of 104 patients the mean age was 53±11 years old with only 2 (1.9%) females. The minimum continuous AF duration was 15±20 months. 29 (28%) had PsAF lasting between 6 months and one year while 43 (41%) had PsAF for >1 year, Mean LAD and LVEF were 42±4.9 mm and 62±7.5%, respectively. The number of failed AADs before CA was 1.4±1.0 (including, 65 (78%) on the class III AAD; Bepridil (150-200 mg) and 3 (2.9%) on amiodarone). Beta-blocker was used in 39% of patients. Patient characteristics after propensity score-matched analysis (final cohort of 52 patients in the LINE-group and EGM-group) are shown in Table 1 .