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Table 2 Intra- and interobserver variability

From: Systolic characteristics and dynamic changes of the mitral valve in different grades of ischemic mitral regurgitation – insights from 3D transesophageal echocardiography

MV Parameters Coefficient of variation (%)
Interobserver Intraobserver
AP diameter 4.5 4.5
AL-PM diameter 5.4 4.3
Non planar angle 1.8 3.1
Annulus circumference 4.4 4.2
Annulus area (3D) 9.0 8.3
Annular displacement 3.2 3.2
Annular displacement velocity 3.4 4.7
Anterior leaflet area 8.3 9.1
Posterior leaflet area 14.6 15.4
  1. AP anterior-posterior, AL-PM anterolateral-posteromedial, 3D three dimensional