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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