Table 2.
One-year freedom from AF: AS-TREATED
| Parameter (n = 344) | No recurrence n = 244 |
Recurrence n = 100 |
P-value |
|---|---|---|---|
| Male sex | 184 (75%) | 67 (67%) | 0.073 |
| Age | 60 ± 10 (61) | 61 ± 10 (62) | 0.270 |
| BMI | 28 ± 4 (27) | 26 ± 4 (27) | 0.882 |
| Paroxysmal AF | 176 (72%) | 52 (53%) | < 0.001 |
| Duration of AF (month) | 55 ± 60 | 69 ± 62 | 0.392 |
| PLAX (mm) | 41 ± 7 (41) | 43 ± 6 (42) | 0.033 |
| LVEF (%) | 58 ± 9 (60) | 59 ± 7 (60) | 0.130 |
| LAVI (ml/m2) | 35 ± 12 (33) | 38 ± 11 (37) | 0.009 |
| Comorbidities | |||
| CAD | 11 (5%) | 3 (3%) | 0.534 |
| Smoking (340) | 0.334 | ||
| Yes | 26 (11%) | 15 (15%) | 0.516 |
| No | 126 (51%) | 53 (53%) | |
| Past | 88 (36%) | 32 (32%) | |
| HT | 138 (57%) | 72 (72%) | 0.005 |
| Diabetes | 16 (7%) | 9 (9%) | 0.547 |
| Renal insufficiency | 12 (5%) | 9 (9%) | 0.242 |
| CHADSVASC | 0.050 | ||
| 0 | 64 (26%) | 15 (15%) | |
| 1 | 70 (29%) | 33 (33%) | |
| 2 | 57 (23%) | 21 (21%) | |
| 3 | 31 (13%) | 19 (19%) | |
| 4 | 17 (7%) | 4 (4%) | |
| ≥ 5 | 6 (2%) | 7 (7%) | |
| Procedural | |||
| Procedure duration (min) | 106 ± 39 (102) | 112 ± 43 (109) | 0.152 |
| Fluoroscopy duration (min) | 9 ± 7 (8) | 9 ± 8 (7) | 0.702 |
| RF-PVI at index | 181 (74%) | 73 (73%) | 0.491 |
| SVCI | 48 (20%) | 27(27%) | 0.151 |
| Number of reconnected veins | 2.6 ± 1.0 (3) | 1.5 ± 1.0 (2) | 0.508 |
| 0.853 | |||
| 0 | 9 (4%) | 6 (6%) | |
| 1 | 38 (16%) | 18 (18%) | |
| 2 | 90 (37%) | 34 (34%) | |
| 3 | 64 (26%) | 25 (25%) | |
| 4 | 43 (18%) | 17 (17%) | |
| Location | |||
| LSPV (341) | 134 (55%) | 53 (53%) | 0.904 |
| LIPV | 123 (50%) | 47 (47%) | 0.720 |
| RSPV | 152 (62%) | 55 (55%) | 0.226 |
| RIPV | 169 (69%) | 68 (68%) | 1.000 |
| PVI RF duration | 790 ± 482 (713) | 795 ± 524 (673) | 0.804 |
| SVC duration | 49 ± 127 (0) | 78 ± 171 (0) | 0.096 |
Values are n (%) for categorical and mean ± standard deviation and median (median) for continuous variables
Duration of AF (n = 337) was defined as the time interval between the first diagnosis of AF and pulmonary vein isolation
AF, atrial fibrillation; AFB, AF burden score; BMI, body mass index; CHADSVASC, (n = 343); PLAX, parasternal long-axis (n = 284); LAVI, left atrial volume indexed (n = 249); LVEF, left ventricular ejection fraction (n = 333)