Table 1.
Baseline demographics and clinical characteristics of the study population.
| Parameters | Statistics |
|---|---|
| Baseline demographics | |
| Age at first diagnosis of atrial fibrillation (years) | 44 ± 8 |
| Male (n, %) | 89 (61) |
| Body mass index (kg/m2) | 23 ± 1 |
| Left ventricular ejection fraction (%) | 62 ± 5 |
| Left atrial diameter (mm) | 36 ± 3 |
| Personal history of atrial fibrillation (n, %) | |
| Type of atrial fibrillation at presentation | |
| Paroxysmal | 97 (66) |
| Persistent | 32 (22) |
| Permanent | 17 (12) |
| History of cardioversion | 110 (75) |
| Positive family history of atrial fibrillation | 68 (47) |
| Medical history (n, %) | |
| History of syncope | 14 (10) |
| History of pacemaker | 10 (7) |
| Thromboembolic complication | 9 (6) |
| Hyperlipidemia | 8 (5) |
| Arterial hypertension | 7 (5) |
| Diabetes | 5 (3) |
| Medications (n, %) | |
| Amiodarone | 105 (72) |
| Warfarin | 84 (58) |
| Digitalis | 23 (16) |
| Aspirin | 18 (12) |
| Beta-blocker | 12 (8) |
| Calcium channel blocker | 6 (4) |
Continuous variables are expressed as means and standard deviation.