Table 1.
Baseline patient characteristics
| Parameters | Patients with available data | Value, mean ± SD or n (%) |
|---|---|---|
| Age (y) | 5223 (100%) | 65.0 ± 11.2 |
| Female sex | 5223 (100%) | 1599 (30.6) |
| BMI (kg/m2) | 5122 (98.1%) | 27.7 ± 5.1 |
| CHA2DS2-VASC score | 5223 (100%) | 1.9 ± 1.4 |
| Hypertension | 5223 (100%) | 2004 (38.3) |
| Diabetes | 5223 (100%) | 551 (10.5) |
| History of stroke/TIA | 5223 (100%) | 302 (5.8) |
| Heart failure | 5223 (100%) | 689 (13.2) |
| Coronary artery disease | 5223 (100%) | 598 (11.4) |
| Type of AF | ||
| Paroxysmal AF | 4983 (95.4%) | 2763 (55.4) |
| Persistent AF | 4983 (95.4%) | 1900 (38.1) |
| LS-persistent AF | 4983 (95.4%) | 320 (6.4) |
| Echocardiography parameters LVEF | ||
| LVEF >50% | 3926 (75.2%) | 3053 (77.8) |
| LVEF 40%–50% | 3926 (75.2%) | 450 (11.5) |
| LVEF <40% | 3926 (75.2%) | 423 (10.8) |
| Echocardiography parameters | ||
| LA size∗ | ||
| Normal | 3204 (61.3%) | 1380 (43.1) |
| Moderate enlargement | 3204 (61.3%) | 1308 (40.8) |
| Severe enlargement | 3204 (61.3%) | 516 (16.1) |
| Medications | ||
| Class I | 5223 (100%) | 1110 (21.3) |
| Amiodarone | 5223 (100%) | 1744 (33.4) |
| Sotalol | 5223 (100%) | 280 (5.4) |
| Vitamin K antagonist | 5223 (100%) | 497 (9.5) |
| DOAC | 5223 (100%) | 4710 (90.2) |
AF = atrial fibrillation; BMI = body mass index; CHA2DS2-VASC = congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, prior stroke or transient ischemic attack or thromboembolism, vascular disease, age 65–74 years, sex category; DOAC = direct oral anticoagulant; LA = left atrium; LVEF = left ventricular ejection fraction; SD = standard deviation; TIA = transient ischemic attack.
Normal LA size: diameter <42 mm and volume <34 mL/m2; moderate enlargement: diameter 42–50 mm and/or volume 34–40 mL/m2; severe enlargement: diameter >50 mm and/or volume >40 mL/m2.