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Table 3 Basal characteristics, echocardiographic results, and RV 2DSTE of group 1 subgroups at 10 weeks of receiving chemotherapy

From: Right ventricular 2D speckle-tracking echocardiography in children with osteosarcoma under chemotherapy

 Group 1A (N = 93) (patients with normal RV strain)Group 1B(N = 7) (patients with decreased RV strain)P value
Age, years11.66 ± 2.0314.43 ± 0.530.001*
Male gender, n (%)46 (49.5%)4 (57.1%)0.695
BSA, m21.38 ± 0.081.50 ± 0.010.001*
LVEDD, cm3.56 ± 0.253.64 ± 0.240.427
LVESD, cm1.79 ± 0.351.78 ± 0.260.973
LVEF, %66.65 ± 4.0366.71 ± 1.600.964
LVGLS, %− 23.93 ± 0.81− 23.65 ± 1.150.393
RVGLS, %− 24.15 ± 0.96− 18.43 ± 0.780.001*
Apical RVS, %− 24.90 ± 0.75− 17.42 ± 0.530.001*
Mid RVS, %− 24.17 ± 0.67− 17.57 ± 0.530.001*
Basal RVS, %− 24.59 ± 1.04− 19.00 ± 0.010.001*
Tapse, cm1.85 ± 0.141.81 ± 0.110.448
FAC, %35.86 ± 0.8835.57 ± 0.540.395
  1. BSA body surface area; LVEDD left ventricular end diastolic dimension; LVESD left ventricular end systolic dimension; LVEF left ventricular ejection fraction; LVGLS left ventricular global longitudinal strain; RVGLS right ventricular global longitudinal strain; Apical, Mid and Basal RVS right ventricular strain; Tapse tricuspid annular plane systolic excursion; FAC fractional area change
  2. * = means significant