| | 2D measurements (n = 60) | 3D measurements (n = 60) | P-value |
|---|
| LA Volmax (mL) | 54.53 ± 13.59 | 54.78 ± 10.78 | 0.78 |
| LA Volp (mL) | 38.97 ± 11.52 | 39.31 ± 8.64 | 0.38 |
| LA Volmin (mL) | 26.11 ± 9.61 | 26.90 ± 7.05 | 0.10 |
| LA total ejection fraction (%) | 53.34 ± 9.44 | 51.32 ± 3.86 | 0.09 |
| LA active ejection fraction (%) | 32.90 ± 9.47 | 31.78 ± 6.24 | 0.48 |
| LA passive ejection fraction (%) | 27.14 ± 9.71 | 28.37 ± 4.57 | 0.42 |
- Values shown are means±SD or percentages
- Abbreviation: 2D two-dimensional, 3D three-dimensional, LA left atrium, LA Volmax maximal LA volume in ventricular systole just before mitral valve opening, LA Volmin minimal LA volume after mitral valve closure, LA Volp LA volume at the onset of the P wave on electrocardiography
