Table 6 Comparison of 3-dimensional left ventricular strains using two different software (4D LV analysis: version 3.1, EchoPAC: version 12.0)
From: The impact of preload on 3-dimensional deformation parameters: principal strain, twist and torsion
| Â | 4D LV analysis | EchoPAC | P value | ICC | 95% CI |
|---|---|---|---|---|---|
Pre-HD (n = 58) | |||||
 Global longitudinal strain (%) | −24.57 ± 2.51 | −17.10 ± 2.34 | <0.001 | −0.089 | −0.840-0.355 |
 Global circumferential strain (%) | −33.35 ± 3.50 | −19.95 ± 2.51 | <0.001 | 0.408 | 0.000–0.649 |
 Global radial strain (%) | 47.67 ± 4.27 | 53.45 ± 9.64 | <0.001 | −0.055 | −0.783-0.376 |
Post-HD (n = 58) | |||||
 Global longitudinal strain (%) | −21.42 ± 2.15 | −15.58 ± 3.21 | <0.001 | 0.116 | −0.494-0.477 |
 Global circumferential strain (%) | −30.90 ± 3.22 | −17.42 ± 3.71 | <0.001 | 0.570 | 0.273–0.745 |
 Global radial strain (%) | 42.90 ± 3.61 | 45.79 ± 11.31 | 0.045 | 0.304 | −0.176-0.588 |