Table 2.
Patient characteristics in the PVI-group, roof-group, and LAPWI-group.
| PVI-group | Roof-group | LAPWI-group | P-value | |
|---|---|---|---|---|
| n = 42 | n = 11 | n = 40 | ||
| Age, years | 69.9 ± 8.9 | 68.8 ± 11.8 | 63.4 ± 12.5 | 0.029 |
| Male gender, n (%) | 29 (69.1%) | 8 (72.7%) | 31 (77.5%) | 0.688 |
| Paroxysmal atrial fibrillation, n (%) | 36 (85.7%) | 2 (18.2%) | 14 (35.0%) | <0.0001 |
| Weight, kg | 60.3 ± 9.9 | 61.5 ± 10.5 | 63.7 ± 12.1 | 0.375 |
| Body mass index, kg/m2 | 23.2 ± 3.4 | 23.4 ± 4.0 | 23.8 ± 3.4 | 0.757 |
| Left atrial diameter, mm | 37.3 ± 6.4 | 42.5 ± 5.8 | 41.8 ± 9.3 | 0.019 |
| Left ventricular ejection fraction, % | 66.0 ± 6.5 | 59.5 ± 12.3 | 57.8 ± 15.1 | 0.008 |
| Structural heart disease, n (%) | 5 (13.1%) | 3 (5.9%) | 4 (15.8%) | 0.307 |
| CHADS2 score | 1.1 ± 1.0 | 2.2 ± 1.3 | 1.1 ± 1.0 | 0.012 |
| CHA2DS2VASc score | 2.3 ± 1.4 | 3.2 ± 1.3 | 2.0 ± 1.5 | 0.047 |
| RFA alone, n (%) | 16 (38.1%) | 3 (27.3%) | 19 (47.5%) | |
| RFA plus CBA, n (%) | 0 (0%) | 2 (18.2%) | 15 (37.5%) | |
| CBA alone, n (%) | 26 (61.9%) | 6 (54.5%) | 6 (15.0%) | |
| Esophageal temperature monitoring, n (%) | 30 (71.4%) | 9 (81.8%) | 34 (85.0%) | 0.314 |
Values are reported as the mean ± standard deviation or number of patients (%) unless otherwise noted. CBA, cryoballoon ablation: LAPWI, left atrial posterior wall isolation: n, number; PVI, pulmonary vein isolation; RFA, radiofrequency ablation.