Skip to main content
. 2018 Sep 26;8:14436. doi: 10.1038/s41598-018-32707-5

Table 3.

Table of associations between age and standard diastolic parameters, as well as 4D diastolic LV blood flow KE parameters. The lower section of the table shows the associations between 2D and 4D parameters.

Spearman’s rho rank correlation coefficient P-value
Age Associated associations
Standard Diastolic Parameters E’ −0.58 <0.01
A’ 0.21 0.14
E/e’ 0.32 0.02
LV peak E-wave velocity −0.17 0.21
LV peak A-wave velocity 0.46 <0.01
E/A ratio −0.63 <0.01
LAVi −0.08 0.57
4D Diastolic LV KEiEDV parameters LV peak E-wave KEiEDV −0.51 <0.01
LV peak A-wave KEiEDV 0.65 <0.01
KEiEDV E/A ratio −0.79 <0.01
LV diastolic KEiEDV −0.21 0.13
LV global KEiEDV −0.18 0.20
LV systolic KEiEDV −0.01 0.94
4D Diastolic LV raw KE parameters LV global KE −0.19 0.16
LV systolic KE −0.29 0.03
LV diastolic KE −0.1 0.47
LV peak E-wave KE 0.09 0.51
LV peak A-wave KE −0.4 <0.01
Association of 4D diastolic LV KE parameters to 2D mitral inflow parameters
E-wave velocity to E-wave KEiEDV 0.61 <0.01
A-wave velocity to A-wave KEiEDV 0.66 <0.01
E/A ratio to KEiEDV E/A ratio 0.77 <0.01

2D = two dimensional, 4D = four dimensional, KE = kinetic energy of blood, LV = left ventricle, LAVi = left atrial volume indexed, KEiEDV = kinetic energy indexed to end-diastolic volume.