Skip to main content

Table 4 Intra- and inter-observer variability of LV trabeculation and myocardial deformation measures

From: Fractal analysis of left ventricular trabeculations is associated with impaired myocardial deformation in healthy Chinese

 

Intra-observer ICC

Inter-observer ICC

ICC

95% CI

ICC

95% CI

Fractal dimension

 Global FD

0.924

0.761–0.973

0.925

0.821–0.970

 Mean Apical FD

0.901

0.729–0.962

0.930

0.832–0.972

 Max Apical FD

0.946

0.864–0.978

0.969

0.899–0.989

NC/C Ratio

 End-Diastolic NC/C (LAX)

0.921

0.815–0.968

0.499

0.085–0.766

Strain

 Circumferential (LVSA)

0.924

0.820–0.969

0.825

0.525–0.933

 Radial (LVSA)

0.965

0.916–0.986

0.904

0.716–0.964

 Longitudinal (VLA, HLA)

0.709

0.393–0.876

0.765

0.488–0.901

Strain rate (Systolic)

 Circumferential (LVSA)

0.926

0.822–0.970

0.900

0.763–0.959

 Radial (LVSA)

0.919

0.809–0.967

0.924

0.818–0.969

 Longitudinal (VLA, HLA)

0.467

0.057–0.746

0.463

0.028–0.748

Strain rate (Diastolic)

 Circumferential (LVSA)

0.862

0.688–0.943

0.723

0.290–0.893

 Radial (LVSA)

0.849

0.662–0.937

0.853

0.665–0.939

 Longitudinal (VLA, HLA)

0.474

0.057–0.752

0.561

0.160–0.801

  1. HLA horizontal long axis, SA short axis, VLA vertical long axis