Table 3. Twelve-lead ECG and echocardiographic profile according to gender.
| Variable | All (n = 285) | Men (n = 150) | Women (n = 135) | p-value |
| Ventricular rate (bpm) | 96.3 ± 22.5 | 94.3 ± 17.3 | 101.3 ± 21.8 | 0.110 |
| QRS duration (ms) | 116.0 ± 26.2 | 117.1 ± 24.5 | 107.8 ± 41.1 | 0.213 |
| QT interval (ms) | 350.7 ± 30.6 | 374.3 ± 35.0 | 348.8 ± 45.5 | 0.006 |
| Corrected QT (ms) | 442.0 ± 20.9 | 462.2 ± 38.2 | 447.6 ± 36.2 | 0.085 |
| Atrial fibrillation (%) | 13.3 | 16.7 | 9.6 | 0.337 |
| Aortic root diameter (cm) | 3.2 ± 0.6 | 3.26 ± 0.58 | 2.84 ± 0.38 | < 0.001 |
| Left atrial diameter (cm) | 5.9 ± 0.8 | 4.75 ± 0.89 | 4.50 ± 0.85 | 0.176 |
| Left atrial area (cm2) | 30.15 ± 9.91 | 28.8 ± 9.0 | 24.7 ± 6.3 | 0.010 |
| IVSD (cm) | 1.18 ± 0.28 | 1.33 ± 0.39 | 1.23 ± 0.32 | 0.393 |
| LVPWd (cm) | 1.38 ± 0.35 | 1.19 ± 0.39 | 1.10 ± 0.35 | 0.116 |
| LVIDd (cm) | 5.52 ± 0.97 | 5.81 ± 1.61 | 5.16 ± 1.45 | 0.353 |
| LVIDs (cm) | 4.51 ± 1.57 | 4.80 ± 1.63 | 4.16 ± 1.43 | 0.001 |
| Fractional shortening (%) | 14.5 ± 2.97 | 17.77 ± 13.10 | 19.80 ± 12.21 | 0.060 |
| Ejection fraction (%) | 36.8 ± 6.53 | 40.57 ± 23.61 | 45.12 ± 20.11 | 0.007 |
| E/A ratio | 2.11 ± 1.55 | 2.14 ± 1.47 | 1.90 ± 1.25 | 0.199 |
| DT (ms) | 145.8 ± 59.2 | 144.2 ± 58.3 | 147.9 ± 60.5 | 0.480 |
| IVRT (ms) | 111.0 ± 34.3 | 114.9 ± 35.8 | 106.1 ± 32.1 | 0.127 |
| LV mass (absolute) | 449.0 ± 217.5 | 561.7 ± 106.6 | 233.0 ± 54.24 | 0.026 |
| LV mass (indexed) | 274.1 ± 117.5 | 336.4 ± 46.6 | 160.9 ± 16.1 | 0.016 |
| Mitral regurgitation (%) | 19.6 | 18.7 | 20.7 | 0.894 |
| Tricuspid regurgitation (%) | 15.1 | 12.7 | 17.8 | 0.459 |
IVSD = interventricular septal wall thickness in diastole, LVPWd = left ventricular posterior wall thickness in diastole, LVIDd = left ventricular internal diameter in diastole, LVIDs = left ventricular internal diameter in systole, DT = deceleration time, IVRT = isovolumic relaxation time.