Skip to main content

Table 1 Baseline characteristics of the Patientsa

From: Very early recurrence predicts long-term outcome in patients after atrial fibrillation catheter ablation: a prospective study

Variables Total Long-term recurrence P-value
N = 378 Without N = 255 With N = 123
Age, years 65.37 ± 10.44 63.69 ± 10.40 68.85 ± 9.68 <0.001
 Age ≥ 65 years, n (%) 222 (58.70%) 131 (51.40%) 91 (74.00%) <0.001
Male, n (%) 215 (56.90%) 156 (61.20%) 59 (48.00%) 0.015
BMI, kg/m2 24.43 ± 3.08 24.07 ± 3.00 25.17 ± 3.15 0.001
Type of AF
 Paroxysmal, n (%) 168 (44.40%) 128 (50.20%) 40 (32.50%) 0.001
 Persistent, n (%) 210 (55.60%) 127 (49.80%) 87 (67.50%) 0.001
Duration of AF, months 32.11 ± 44.82 33.44 ± 48.54 29.37 ± 35.91 0.409
Hypertension, n (%) 223 (59.00%) 141 (55.30%) 82 (66.70%) 0.035
 Systolic BP, mmHg 135.17 ± 20.83 134.39 ± 21.27 136.80 ± 19.88 0.291
 Diastolic BP, mmHg 82.94 ± 51.28 81.76 ± 42.34 85.39 ± 66.21 0.520
Diabetes, n (%) 56 (14.80%) 30 (11.80%) 26 (21.10%) 0.016
 FBG, mmol/L 5.14 ± 1.15 5.09 ± 1.02 5.26 ± 1.39 0.117
History of HF, n (%) 46 (12.20%) 20 (7.80%) 26 (21.10%) <0.001
Left ventricular EF, % 63.48 ± 7.52 63.82 ± 7.35 62.78 ± 7.85 0.211
Left atrial dimension, mm 40.82 ± 6.41 39.50 ± 5.72 43.56 ± 6.91 <0.001
Left atrial 50 mm, n (%) 39 (10.30%) 13 (5.10%) 26 (21.10%) <0.001
Moderate valvular heart disease, n (%) 6 (1.60%) 3 (1.20%) 3 (2.40%) 0.357
CAD, n (%) 26 (6.90%) 12 (4.70%) 14 (11.40%) 0.016
Prior Stroke/TIA, n (%) 49 (13.00%) 31 (12.20%) 18 (14.60%) 0.502
CHADS2 Score 1.34 ± 1.19 1.17 ± 1.10 1.71 ± 1.30 <0.001
CHA2DS2-VASc Score 2.81 ± 1.81 2.49 ± 1.70 3.48 ± 1.83 <0.001
HAS-BLED Score 2.47 ± 1.06 2.32 ± 1.02 2.79 ± 1.07 <0.001
CRP within 24 h post-procedure, mg/dL 6.36 ± 10.27 6.38 ± 10.87 6.32 ± 8.94 0.954
Medication at hospital discharge
Oral anticoagulant
 Warfarin, n (%) 297 (78.57%) 194 (76.10%) 103 (83.70%) 0.089
 Dabigatran, n (%) 73 (19.31%) 54 (21.20%) 19 (15.40%) 0.186
 Xa inhibitor, n (%) 8 (2.12%) 7 (2.70%) 1 (0.80%) 0.221
Statins, n (%) 269 (71.20%) 174 (68.20%) 95 (77.20%) 0.070
ACEI/ARB, n (%) 169 (44.70%) 103 (40.40%) 66 (53.70%) 0.015
Beta-blockers, n (%) 111 (29.40%) 70 (27.50%) 41 (33.30%) 0.239
Vaughan Williams class I or III AAD, n (%) 342 (90.50%) 235 (92.20%) 107 (87.00%) 0.109
Amiodarone, n (%) 328 (86.80%) 228 (89.40%) 100 (81.30%) 0.029
Propafenon, n (%) 14 (3.70%) 7 (2.70%) 7 (5.70%) 0.155
  1. BMI body mass index, AF atrial fibrillation, FBG fasting blood glucose, HF heart failure, EF ejection fraction, CAD coronary artery disease, TIA transient ischemic attack, CRP C-reactive protein, AAD anti-arrhythmia drug
  2. aPlus-minus values are means ± SD. Percentages do not sum to 100 because of rounding