Table 1.
Baseline characteristics of the study patients.
| N = 123 | |
|---|---|
| Age (years) | 55.1 ± 10.6 |
| Male sex | 99 (80.5%) |
| Paroxysmal | 53 (43.1%) |
| Congestive heart failure | 5 (4.1%) |
| Hypertension | 42 (34.1%) |
| Diabetes mellitus | 10 (8.1%) |
| Cerebrovascular events | 12 (9.8%) |
| Vascular disease | 4 (3.2%) |
| Baseline LA volume (ml) | 101.2 ± 43.3 |
| Baseline LAA volume (ml) | 19.4 ± 8.5 |
| Average LAA flow velocity (cm/sec) | 41.3 ± 20.8 |
| LV ejection fraction (%) | 54.2 ± 6.0 |
| Hemoglobin (g/dl) | 14.9 ± 1.3 |
| WBC (×103/ul) | 6.4 ± 1.5 |
| Platelets (×103/ul) | 200.2 ± 39.6 |
| INR | 1.4 ± 0.6 |
| Creatinine (mg/dl) | 1.0 ± 0.2 |
| CHA2DS2-VASc | 1.2 ± 1.3 |
| Follow up duration (days) | 715.9 ± 227.8 |
| Mean MRI follow up duration (days) | 420.5 ± 171.5 |
| Substrate modification | 46 (37.4%) |
| Ablation time (min) | 108.4 ± 56.6 |
| Late recurrence | 78 (63.4%) |
INR: international normalized ratio; LA: left atrium; LAA: left atrial appendage; LV: left ventricle; MRI: magnetic resonance imaging; WBC: white blood cell count.