Skip to main content

Table 2 Feasibility and reproducibility. Feasibility is expressed as a percentage of analyzable segments in the LV [20,29] and RV [18]. Reproducibility is expressed as 95% limits of agreement in the LV [20] and RV [18]

From: Echocardiographic quantification of myocardial function using tissue deformation imaging, a guide to image acquisition and analysis using tissue Doppler and speckle tracking

   TDI 2DSE
   LV RV LV RV
Feasibility 85; 93% 93% 88% 93%
Reproducibility
Interobserver
Strain (%) -17.1 ; 28.5 -9.2 ; 9.8 -7.5 ; 9.7 -8.6 ; 11.8
  SR (s-1) -0.76 ; 0.96 -0.91 ; 0.81 -0.77 ; 0.83 -0.79 ; 0.81
Reproducibility
Intraobserver
Strain (%) -9.4 ; 9.6 -9.3 ; 9.9 -0.16 ; 2.28 -13.1 ; 15.3
  SR (s-1) -0.42 ; 0.54 -0.85 ; 0.91 -0.54 ; 0.54 -0.73 ; 0.75