Table 1. Clinical characteristics of the study population.
| Variables | Study population | Arrhythmia recurrences | ||
|---|---|---|---|---|
| n = 379 | No (n = 246) | Yes (n = 133) | p-value | |
| Age, years | 60 ± 10 | 60 ± 10 | 59 ± 10 | 0.483 |
| Males, % | 66 | 33 | 36 | 0.430 |
| Persistent AF, % | 35 | 29 | 45 | 0.002 |
| BMI, kg/m2 | 29 ± 4.8 | 28 ± 4.5 | 29 ± 5.2 | 0.136 |
| eGFR, ml/min/1.73 m2 | 102 ± 32 | 102 ± 31 | 102 ± 35 | 0.904 |
| Hypertension, % | 75 | 74 | 77 | 0.526 |
| Diabetes mellitus, % | 13 | 14 | 12 | 0.738 |
| LA diameter, mm | 43 ± 6 | 42 ± 6 | 44 ± 7 | 0.005 |
| Δ LA diameter, mm | 0 (-4 –(+3)) | 0.5 (-4 –(+3)) | 0 (-4 –(+3)) | 0.804 |
| EF, % | 60 ± 10 | 60 ± 9 | 59 ± 11 | 0.601 |
| CHADS2 score | 1.2 ± 0.9 | 1.1 ± 0.9 | 1.3± 1.0 | 0.052 |
| CHA2DS2-VASc score | 2.0 ± 1.4 | 2.0 ± 1.3 | 2.1 ± 1.5 | 0.218 |
| APPLE score | 1.4 ± 1.0 | 1.2 ± 1.0 | 1.6 ± 1.0 | 0.001 |
Abbreviations: BMI–body mass index, eGFR–estimated glomerular filtration rate, LA–left atrial, Δ LA–changes in LA diameter before first and repeat procedure, EF–ejection fraction.