Baseline clinical characteristics
| CPVI (n=52) | CPVI+RL (n=52) | CPVI+PostBox (n=52) | p Value | |
| Age (years) | 54.88±12.66 | 58.25±10.78 | 54.27±10.62 | 0.162 |
| Male | 37 (71.2) | 41 (78.8) | 41 (78.8) | 0.567 |
| CHADS2 | 0.71±0.94 | 0.71±0.90 | 0.87±1.14 | 0.661 |
| Heart failure | 1 (1.9) | 1 (1.9) | 1 (1.9) | 1.000 |
| Hypertension | 21 (40.4) | 24 (46.2) | 22 (42.3) | 0.833 |
| Age >75 years | 2 (3.8) | 3 (5.8) | 0 (0) | 0.235 |
| Diabetes | 7 (13.5) | 3 (5.8) | 8 (15.4) | 0.267 |
| Stroke | 2 (3.8) | 3 (5.8) | 7 (13.5) | 0.150 |
| LA diameter (mm) | 39.29±5.18 | 40.42±4.28 | 40.67±5.40 | 0.322 |
| EF (%) | 64.71±5.98 | 63.79±7.63 | 63.73±6.59 | 0.710 |
| E/E' | 9.86±2.73 | 9.62±3.63 | 9.68±3.63 | 0.936 |
Data are expressed as number (%) of patients or mean±SD.
CPVI, circumferential pulmonary vein isolation; E/E', ratio of mitral valve inflow and tissue Doppler; EF, ejection fraction; LA, left atrium; PAF, paroxysmal atrial fibrillation; PostBox, additional RL and posterior inferior line; RL, LA roof line.