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Table 2 Comparison of baseline and follow-up measurements of echocardiographic data

From: Myocardial deformation after radiotherapy: a layer-specific and territorial longitudinal strain analysis in a cohort of left-sided breast cancer patients (BACCARAT study)

  Baseline n = 64 6 months after RT n = 64 P-value Relative change (%)p-value
LVEF, % 61 ± 7 60 ± 9 0.073 Na.
GLS, %
 Endocardial layer −20.0 ± 3.2 −18.8 ± 3.8 0.02 −4.7%; 0.05
 Mid-myocardial layer −16.0 ± 2.7 −15.0 ± 3.1 0.02 − 4.4%; 0.11
 Epicardial layer −12.3 ± 2.5 −11.4 ± 2.8 0.02 −4.2%; 0.25
  1. LVEF Left Ventricular Ejection Fraction, GLS Global Longitudinal Strain, Na. Not assessed