Table 1.
Clinical characteristics and echocardiographic parameters of patients with or without atrial fibrillation.
| Non AF (n = 38) | AF (n = 37) | p | |
|---|---|---|---|
| Age | 73.4 ± 9.7 | 77.6 ± 8.3 | 0.047 |
| Gender (male) | 23 (60.5%) | 19 (51.4%) | 0.570 |
| Arterial hypertension | 29 (76.3%) | 28 (75.7%) | 1.000 |
| Diabetes | 8 (21.1%) | 9 (24.3%) | 0.950 |
| Dyslipidemia | 21 (55.3%) | 19 (51.4%) | 0.914 |
| Body mass index (kg/m2) | 27 ± 4.14 | 28.1 ± 5.08 | 0.310 |
| Glomerular filtration rate (mL/min) | 76.4 ± 22.2 | 70.3 ± 26.2 | 0.286 |
| Coronary artery disease | 1 (2.63%) | 3 (8.11%) | 0.358 |
| Lung disease | 5 (13.2%) | 4 (10.8%) | 1.000 |
| Previous stroke | 6 (15.8%) | 7 (18.9%) | 0.958 |
| CHA2DS2-VASc score | 4.79 ± 1.43 | 5.22 ± 1.20 | 0.167 |
| Echocardiogram | |||
| LVEF (%) | 63.2 ± 3.85 | 63.2 ± 2.83 | 0.996 |
| LV mass (g) | 172 ± 39.5 | 173 ± 56.3 | 0.924 |
| Indexed LV mass (g/m2) | 96.9 ± 19.6 | 98.1 ± 29.1 | 0.827 |
| LA diameter (mm) | 35 ± 4.03 | 38.5 ± 4.82 | <0.001 |
| LA area (cm2) | 16.8 ± 2.55 | 19.8 ± 3.58 | <0.001 |
| 2D LA volume (mL) | 47.9 ± 12.5 | 60.8 ± 16.2 | <0.001 |
| Indexed 2D LA volume (mL/m2) | 27 ± 6.49 | 34.7 ± 9.77 | <0.001 |
| Enlarged LA (>34 mL/m2) | 5 (13%) | 17 (46%) | |
| Normal LA volume | 33 (87%) | 20 (54%) | 0.002 |
| 2D LAEF (%) | 60.6 ± 5.2 | 46.8 ± 11.5 | <0.001 |
| PALs (%) | 29.5 ± 7.24 | 19.6 ± 5.73 | <0.001 |
| PACs (%) | 16.5 ± 6 | 8.99 ± 3.92 | <0.001 |
LV: left ventricular; EF: ejection fraction; LA: left atrial.