Table 3 Intraclass correlation coefficient for 3D STE derived parameters testing intraobserver and interobserver reproducibility under sinus or AF rhythm

LAVmin(ml)

0.950 (0.926 ~ 0.967)

0.963 (0.921 ~ 0.982)

0.994 (0.991 ~ 0.996)

0.993 (0.986 ~ 0.997)

LAVmax(ml)

0.964 (0.943 ~ 0.977)

0.961 (0.919 ~ 0.981)

0.993 (0.989 ~ 0.995)

0.997 (0.994 ~ 0.999)

LAVpreA(ml)

0.945 (0.918 ~ 0.964)

/

0.978 (0.966 ~ 0.985)

/

LAVImax(ml/m²)

0.962 (0.940 ~ 0.976)

0.966 (0.929 ~ 0.984)

0.993 (0.989 ~ 0.995)

0.998 (0.995 ~ 0.999)

LAEV(ml)

0.850 (0.781 ~ 0.899)

0.799 (0.620 ~ 0.899)

0.967 (0.950 ~ 0.978)

0.903 (0.804 ~ 0.954)

LAEF(%)

0.863 (0.799 ~ 0.908)

0.657 (0.392 ~ 0.821)

0.968 (0.951 ~ 0.979)

0.855 (0.769 ~ 0.945)

LASr(%)

0.818 (0.733 ~ 0.877)

0.596 (0.305 ~ 0.785)

0.877 (0.818 ~ 0.918)

0.852 (0.708 ~ 0.929)

LAScd(%)

0.664 (0.531 ~ 0.766)

0.596 (0.305 ~ 0.785)

0.643 (0.502 ~ 0.750)

0.852 (0.708 ~ 0.929)

LASct(%)

0.753 (0.647 ~ 0.831)

/

0.861 (0.796 ~ 0.907)

/

LASrc(%)

0.850 (0.780 ~ 0.972)

0.705 (0.464 ~ 0.848)

0.950 (0.925 ~ 0.967)

0.908 (0.811 ~ 0.956)

LAScdc(%)

0.639 (0.498 ~ 0.747)

0.705 (0.464 ~ 0.848)

0.710 (0.589 ~ 0.800)

0.908 (0.811 ~ 0.956)

LASctc(%)

0.814 (0.730 ~ 0.874)

/

0.915 (0.873 ~ 0.971)

/