Table 3. Echocardiographic parameters comparison between the two groups of with and without atrial fibrillation.
| Echocardiographic parameters | Non-AF cases (n = 3,323) | AF cases (n = 39) | P value |
|---|---|---|---|
| IVSs (cm) | 1.41 ± 0.19 | 1.45 ± 0.16 | 0.277 |
| IVSd (cm) | 0.96 ± 0.15 | 0.99 ± 0.14 | 0.264 |
| LVIDs (cm) | 2.96 ± 0.41 | 3.26 ± 0.56 | 0.003 |
| LVIDd (cm) | 4.85 ± 0.47 | 5.05 ± 0.50 | 0.008 |
| LVPWs (cm) | 1.38 ± 0.17 | 1.40 ± 0.15 | 0.503 |
| LVPWd (cm) | 0.87 ± 0.12 | 0.90 ± 0.10 | 0.147 |
| Aortic dimension (cm) | 3.00 ± 0.32 | 3.08 ± 0.35 | 0.133 |
| LA diameter (cm) | 3.20 ± 0.43 | 3.81 ± 0.76 | < 0.001 |
| Peak E (cm/sec) | 70.7 ± 16.6 | 85.9 ± 19.2 | < 0.001 |
| Peak A (cm/sec) | 77.5 ± 17.0 | 85.9 ± 24.1 | 0.086 |
| Deceleration time (msec) | 197.8 ± 32.9 | 188.2 ± 34.0 | 0.317 |
| IVRT (msec) | 77.9 ± 12.6 | 75.2 ± 10.2 | 0.489 |
| LV ejection fraction (%) | 69.6 ± 6.7 | 65.3 ± 9.6 | 0.064 |
Data are presented as mean±standard deviations. AF, atrial fibrillation; IVSs, systolic interventricular septum thickness; IVSd, diastolic interventricular septum thickness; LVIDs, systolic left ventricular internal dimension; LVIDd, diastolic left ventricular internal dimension; LVPWs, systolic left ventricular posterior wall thickness; LVPWd, diastolic left ventricular posterior wall thickness; LA, left atrium; E, early rapid filling wave velocity; A, filling wave during atrial contraction velocity; IVRT, isovolumic relaxation time.