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Table 1 Baseline demographic and echocardiographic characteristics

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

Variables value
Males 57%
Age (y) 11.2 ± 5.5
Body surface area (m2) 0.4 ± 0.6
Heart rate (beats/min) 87 ±30
2D LV EF (%) 62 ± 4.1
3D LV EF (%) 61 ± 3.6
2D LV EDV Z score 1.3 ± 0.3
3D LV EDVi (ml/m2) 70.4 ±8.1
  1. Data are expressed as mean ± SD (range) or as percentages
  2. Y years, min minutes, LV left ventricle, EF ejection fraction, EDV end diastolic volume, EDVi end diastolic volume indexed to body surface area