Table 5 Differences in left ventricular volumetric parameters measured by 2- and 3-dimensional echocardiography
From: The impact of preload on 3-dimensional deformation parameters: principal strain, twist and torsion
| Â | 3D | 2D | P value |
|---|---|---|---|
Pre-HD (n = 58) | |||
 End-diastolic volume (mL/m2) | 73.0 ± 17.0 | 67.4 ± 15.7 | <0.001 |
 End-systolic volume (mL/m2) | 25.9 ± 7.6 | 23.1 ± 6.7 | <0.001 |
 Stroke volume (mL/m2) | 47.1 ± 10.4 | 43.7 ± 10.5 | <0.001 |
 Ejection fraction | 64.9 ± 3.9 | 65.1 ± 4.4 | 0.770 |
Post-HD (n = 58) | |||
 End-diastolic volume (mL/m2) | 61.2 ± 15.2 | 56.5 ± 17.1 | <0.001 |
 End-systolic volume (mL/m2) | 24.0 ± 6.9 | 20.8 ± 7.6 | <0.001 |
 Stroke volume (mL/m2) | 37.2 ± 8.9 | 35.7 ± 10.4 | 0.029 |
 Ejection fraction | 61.0 ± 3.3 | 63.6 ± 4.3 | <0.001 |