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Table 4 Inter and intra- observer reproducibility (expressed as ICC) of 2D and 3D global and regional strain values

From: Comprehensive evaluation of left ventricular deformation using speckle tracking echocardiography in normal children: comparison of three-dimensional and two-dimensional approaches

Variables Intra-observer reproducibility Inter-observer reproducibility
2D STE 3D STE 2D STE 3D STE
GLS 0.92 0.87 0.88 0.81
Basal ante septum 0.32 0.43 0.23 0.33
Basal anterior 0.41 0.37 0.27 0.31
Basal lateral 0.21 0.34 0.21 0.41
Basal posterior 0.33 0.41 0.27 0.32
Basal inferior 0.35 0.31 0.29 0.42
Basal septum 0.43 0.43 0.31 0.38
Mid ante septum 0.51 0.56 0.47 0.61
Mid anterior 0.47 0.51 0.39 0.37
Mid lateral 0.43 0.47 0.31 0.51
Mid posterior 0.31 0.41 0.27 0.46
Mid inferior 0.44 0.52 0.28 0.31
Mid septum 0.57 0.61 0.41 0.52
Apical anterior 0.72 0.68 0.72 0.66
Apical lateral 0.73 0.76 0.63 0.67
Apical inferior 0.55 0.60 0.31 0.42
Apical septum 0.43 0.51 0.37 0.46
  1. ICC intra-class coefficient, GLS global longitudinal strain, ante anterior, STE speckle tracking echocardiography
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Cardiovascular Ultrasound

ISSN: 1476-7120

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