Table 1

Baseline Characteristics

Recurrence (n = 101)AF Free (n = 107)p Value
Clinical
 Age, yrs61.1 ± 9.557.1 ± 10.90.023
 Body mass index, kg/m230.1 ± 5.727.7 ± 5.60.002
 Male78.0 (77.2)67.0 (62.7)0.044
 Persistent AF34.0 (33.6)20.0 (18.7)0.014
 Heart failure17.0 (16.8)7.0 (6.5)0.020
 Coronary artery disease/vascular disease14.0 (13.8)6.0 (5.6)0.044
 Diabetes11.0 (10.9)11.0 (10.2)0.886
 Hypertension55.0 (54.4)40.0 (37.4)0.013
 History of stroke/TIA10.0 (9.9)4.0 (3.7)0.076
 CHA2DS2 -VASC1.9 ± 1.51.3 ± 1.40.006
 OSA23.0 (22.7)9.0 (8.4)0.004
 Ablation strategy (cryoablation)17.0 (16.8)22.0 (20.1)0.491
 LVEF, %54.759.50.098
Medication
 ACEI/ARB35.0 (34.7)26.0 (24.3)0.055
 Beta-blockers50.0 (49.5)55.0 (51.4)0.628
 Calcium-channel blockers24.0 (23.8)23.0 (21.5)0.777
 Anticoagulant use, total (%)94.0 (93.1)92.0 (86.0)0.375
 Number of antiarrhythmic drugs1.4.0 ± 0.81.2.0 ± 0.80.134

Values are mean ± SD, n (%), or median.

ACEI = angiotensin-converting enzyme inhibitor; AF = atrial fibrillation; ARB = angiotensin receptor blockers; LVEF = left ventricular ejection fraction; OSA = obstructive sleep apnea; TIA = transient ischemic attack.