Table 1.
Baseline characteristics of patients with and without post ablation arrhythmia recurrence.
| Variable, n (%) | No recurrent arrhythmia (n = 70) | Recurrent arrhythmia (n = 31) | p-value |
|---|---|---|---|
| Age (years) | 66 [57, 71.25] | 68 [59, 74] | 0.306 |
| BMI (kg/m2) | 27.7 [24.75, 34.3] | 29.6 [25.9, 34.9] | 0.327 |
| BSA (m2) | 2.1 ± 0.32 | 2.16 ± 0.28 | 0.39 |
| Sex, male | 53 (75.7%) | 20 (64.5%) | 0.246 |
| Hypertension | 34 (48.6%) | 16 (51.6%) | 0.778 |
| Coronary artery disease | 16 (22.9%) | 7 (22.6%) | 0.976 |
| Congestive heart failure | 18 (25.7%) | 12 (38.7%) | 0.187 |
| Obstructive sleep apnea | 16 (22.9%) | 7 (22.6%) | 0.976 |
| Stroke | 9 (12.9%) | 1 (3.2%) | 0.169 |
| Hyperlipidemia | 25 (35.7%) | 14 (45.2%) | 0.368 |
| Diabetes mellitus | 12 (17.1%) | 8 (25.8%) | 0.314 |
| Non-paroxysmal AF | 25 (35.7%) | 16 (51.6%) | 0.133 |
| RF ablation | 50 (71.4%) | 25 (80.6%) | 0.329 |
| LA EAT index (mL/m2) | 13.7 [10.5, 20.1] | 20.7 [16.9, 30.4] | < 0.001 |
| Total EAT index (mL/m2) | 73.9 ± 28.3 | 85 ± 26.2 | 0.066 |
| LA volume index (mL/m2) | 49.9 [37.7, 61.8] | 66 [52.6, 77.5] | 0.001 |
| LA fibrosis (%) | 16.1 [9.7, 21.6] | 18.6 [13.25, 26.65] | 0.076 |
| LA EAT volume/LA volume ratio | 0.29 [0.21, 0.37] | 0.34 [0.25, 0.51] | 0.035 |
| AF duration prior to ablation (months) | 20 [5, 45.75] | 35 [9, 55] | 0.118 |
BMI, body mass index; BSA, body surface area; AF, atrial fibrillation; RF, radiofrequency; LA, left atrial; EAT, epicardial adipose tissue.