Table 1.
Characteristics of patients with and without late recurrent AF
| Late Recurrent AF* | P-value | ||
|---|---|---|---|
| Yes (N=124) | No (N=222) | ||
| Demographics | |||
| Age, mean ± SD | 56.2 ± 11.3 | 55.9 ± 10.6 | 0.79 |
| Male, N (%) | 96 (77.4%) | 164 (73.9%) | 0.46 |
| Medical History | |||
| Hypertension, N (%) | 71 (57.3%) | 109 (49.1%) | 0.15 |
| Diabetes, N (%) | 24 (19.4%) | 39 (17.6%) | 0.68 |
| Hyperlipidemia, N (%) | 50 (40.3%) | 82 (36.9%) | 0.53 |
| Coronary artery disease, N (%) | 13 (10.5%) | 23 (10.4%) | 0.97 |
| Heart failure, N (%) | 26 (21.0%) | 47 (21.2%) | 0.96 |
| Chronic kidney disease†, N (%) | 8 (6.5%) | 20 (9.0%) | 0.40 |
| Valvular heart disease§, N (%) | 9 (7.3%) | 21 (9.5%) | 0.49 |
| Prior AF ablation, N (%) | 26 (21.0%) | 45 (20.3%) | 0.88 |
| Non-paroxysmal AF, N (%) | 94 (75.8%) | 114 (51.4%) | <0.01 |
| Beta blocker use, N (%) | 77 (62.1%) | 148 (66.7%) | 0.39 |
| Ace inhibitor use, N (%) | 51 (41.1%) | 76 (34.2%) | 0.20 |
| Statin use, N (%) | 43 (34.7%) | 82 (36.9%) | 0.67 |
| Antiarrhythmic drug use**, N (%) | 93 (75.0%) | 151 (68.0%) | 0.17 |
| Diagnostics | |||
| Ejection fraction, mean ± SD | 57.9 ± 9.3 | 58.2 ± 9.9 | 0.81 |
| LA volume (BSA-adjusted)‡, mean ± SD | 60.2 ± 19.3 | 52.8 ± 16.4 | <0.01 |
| LAPEF, mean ± SD | 19.1% ± 10.5% | 26.0% ± 11.4% | <0.01 |
| LATEF, mean ± SD | 37.3% ± 15.8% | 45.4% ± 14.7% | <0.01 |
| Body mass index, mean ± SD | 30.2 ± 5.2 | 29.3 ± 5.2 | 0.11 |
| Late gadolinium enhancement (any), N (%) | 39 (17.6%) | 16 (12.9%) | 0.26 |
*
Recurrent AF >3 months after ablation procedure
†
GFR = glomerular filtration rate (patients with GFR <30 ml/min/1.73 m2 were excluded from scan)
§
Includes ≥moderate aortic stenosis, aortic regurgitation, mitral stenosis, or mitral regurgitation
‡
Volume in ml/m2
**
Class I or Class III antiarrhythmic drug, prescribed at hospital discharge