Table 1. Patient baseline characteristics.
| Subject characteristics | Korea cohort (n = 299) | |
|---|---|---|
| Female sex | 74 (24.7) | |
| Age (year) | 60±11 | |
| Body mass index (kg/m2) | 25±3 | |
| CHA2DS2-VASc score | 1.8±1.5 | |
| PAF | 151 (50.5) | |
| Years diagnosed with AF | 2.3±2.8 | |
| Prior AFL ablation | 3 (1.0) | |
| History of AFL | 62 (20.7) | |
| History of atrial tachycardia | 7 (2.3) | |
| Left atrial diameter (mm) | 43±7 | |
| Left ventricular ejection fraction (%) | 59±8 | |
| On AAD at enrollment | 259 (86.6) | |
| Number of failed AADs | 1.2±0.6 | |
| 0 previously failed AADs | 13 (4.3) | |
| 0, on AAD at baseline | 9 (3.0) | |
| 0, not on AAD at baseline (first-line CBA) | 4 (1.3) | |
| Hypertension | 151 (50.5) | |
| Prior myocardial infarction | 4 (1.3) | |
| Prior stroke/Transient ischemic attack | 30 (10.0) | |
| Coronary artery disease | 28 (9.4) | |
| Diabetes | 53 (17.7) | |
| Sleep apnea | 9 (3.0) | |
Values are presented as number (%) or mean±standard deviation.
AAD = antiarrhythmic drugs; AF = atrial fibrillation; AFL = atrial flutter; CBA = cryoballoon ablation; PAF = paroxysmal atrial fibrillation.