Table I.
Baseline clinical characteristics and biochemical measurements.
| Variables | Control (n=297) | Lone AF (n=193) | P-value | Non-recurrence (n=140) | Recurrence (n=53) | P-value |
|---|---|---|---|---|---|---|
| Males, n (%) | 148 (49.8) | 116 (60.1) | 0.026 | 82 (58.6) | 34 (64.2) | 0.48 |
| Age (years) | 56.3±6.2 | 57.1±7.3 | 0.20 | 56.4±7.5 | 58.8±6.3 | 0.037 |
| Smoking, n (%) | 52 (17.5) | 43 (22.3) | 0.19 | 28 (20.0) | 15 (28.3) | 0.22 |
| Alcohol, n (%) | 41 (13.8) | 40 (20.7) | 0.044 | 25 (17.9) | 15 (28.3) | 0.11 |
| Body mass index (kg/m2) | 24.7±2.5 | 25.1±2.9 | 0.06 | 24.9±2.9 | 25.8±2.7 | 0.039 |
| Systolic blood pressure (mmHg) | 120.5±11.4 | 121.5±11.4 | 0.34 | 120.9±11.9 | 122.9±10.2 | 0.27 |
| Diastolic blood pressure (mmHg) | 74.7±7.7 | 75.0±8.5 | 0.68 | 75.2±8.5 | 74.4±8.3 | 0.53 |
| Fasting glucose (mmol/l) | 5.12±0.57 | 5.17±0.57 | 0.29 | 5.14±0.57 | 5.26±0.57 | 0.17 |
| Total cholesterol (mmol/l) | 4.39±0.76 | 4.40±0.77 | 0.99 | 4.35±0.76 | 4.52±0.78 | 0.16 |
| Triglycerides (mmol/l) | 1.55±0.52 | 1.48±0.50 | 0.10 | 1.48±0.50 | 1.47±0.51 | 0.90 |
| Blood urea nitrogen (mmol/l) | 5.40±1.33 | 5.57±1.32 | 0.15 | 5.54±1.30 | 5.68±1.37 | 0.50 |
| Creatinine (μmol/l) | 73.5±15.7 | 76.0±16.8 | 0.09 | 75.8±16.8 | 76.5±16.8 | 0.80 |
| Uric acid (μmol/l) | 315±67 | 331±72 | 0.012 | 328±68 | 341±82 | 0.25 |
| LV end-systolic diameter (mm) | 29.2±3.2 | 29.6±4.6 | 0.32 | 29.8±5.0 | 29.3±3.5 | 0.50 |
| LV end-diastolic diameter (mm) | 47.2±3.9 | 48.1±4.2 | 0.022 | 47.8±4.2 | 48.8±4.1 | 0.13 |
| Left atrial dimension (mm) | 38.6±3.2 | 40.0±5.3 | <0.001 | 39.3±4.6 | 41.9±6.6 | 0.002 |
| Septal wall thickness (mm) | 9.0±1.0 | 9.1±1.1 | 0.85 | 9.0±1.2 | 9.1±1.1 | 0.55 |
| Posterior wall thickness (mm) | 8.7±1.0 | 8.7±1.0 | 0.42 | 8.7±1.0 | 8.9±1.1 | 0.24 |
| LV ejection fraction (%) | 63.6±6.5 | 62.5±5.1 | 0.040 | 62.9±5.1 | 61.3±4.8 | 0.040 |
Values are presented as the mean ± SD or n (%). AF, atrial fibrillation; LV, left ventricular.