Table 2.
Baseline patient characteristics | N = 1758 patients |
---|---|
Demographics | |
Age (years), mean (min–max) | 61.6 (19–92) |
Female, % | 34.2% |
BMI (kg/m2), mean (min–max) | 26.7 (15–52) |
CHA2DS2-Vasc score, mean (min–max) | 2.1 (0–9) |
Echocardiography parameters | |
Left atrial diameter (mm), mean (min–max) | 39 (16–73) |
LVEF (%), mean (min–max) | 54.7% (14–80) |
Patients with LVEF < 40%, % | 4.7% |
Past medical history | |
Hypertension (%) | 59.1% |
Diabetes mellitus (%) | 12.7% |
Congestive heart failure (%) | 12.3% |
Coronary artery disease (%) | 12.7% |
Stroke/TIA | 6.2% |
Medications | |
Failed Class I or III antiarrhythmic drug (%) | 38.2% |
Failed Class I, II, III or IV antiarrhythmic drug (%) | 65.4% |
Vitamin K antagonist (%) | 5.1% |
NOAC (%) | 88.3% |
No prior oral anticoagulation (%) | 7.7% |
Indication for ablation | |
Paroxysmal atrial fibrillation (%) | 57.5% |
Persistent atrial fibrillation (%) | 35.2% |
Long standing persistent atrial fibrillation (%) | 3.9% |
Atrial flutter (%) | 1.1% |
Other (%) | 2.9% |
First-ever ablation procedure (%) | 93.5% |
LVEF, left ventricular ejection fraction; NOAC, non-vitamin K antagonist oral anticoagulants.