Table 4 Regional longitudinal strain in segments according to the presence of baseline normal versus impaired GLS%.

From: Echocardiographic two-dimensional speckle tracking identifies acute regional myocardial edema and sub-acute fibrosis in pediatric focal myocarditis with normal ejection fraction: comparison with cardiac magnetic resonance

AHA 17-segment

Normal (N = 14)

Impaired (N = 19)

p value

Basal segments

Basal anterior LS (%)

− 24.2 ± 4.1

− 21.1 ± 3.2

0.19

Basal anteroseptal LS (%)

− 19.7 ± 3.1

− 19.0 ± 4.6

0.33

Basal inferoseptal LS (%)

− 22.7 ± 3.3

− 17.6 ± 3.7

0.02

Basal inferior LS (%)

− 28.3 ± 4.0

− 16.7 ± 2.8

 < 0.001

Basal inferolateral LS (%)

− 23.6 ± 4.2

− 17.1 ± 3.1

0.01

Basal anterolateral LS (%)

− 22.0 ± 3.8

− 18.5 ± 4.0

0.07

Mid-ventricular segments

Mid anterior LS (%)

− 20.1 ± 2.7

− 23.4 ± 2.2

0.24

Mid anteroseptal LS (%)

− 21.5 ± 3.9

− 22.2 ± 3.5

0.45

Mid inferoseptal LS (%)

− 21.9 ± 3.2

− 18.5 ± 4.2

0.08

Mid inferior LS (%)

− 26.2 ± 2.8

− 17.5 ± 3.6

0.01

Mid inferolateral LS (%)

− 20.1 ± 2.9

− 16.7 ± 3.0

0.04

Mid anterolateral LS (%)

− 25.1 ± 3.7

− 23.1 ± 4.1

0.21

Apical segments

Apical anterior LS (%)

− 23.6 ± 3.5

− 22.1 ± 3.3

0.62

Apical septal LS (%)

− 22.0 ± 3.9

− 20.5 ± 3.8

0.45

Apical inferior LS (%)

− 21.5 ± 3.7

− 20.5 ± 4.0

0.33

Apical lateral LS (%)

− 21.8 ± 3.3

− 21.7 ± 3.2

0.21

Apex LS (%)

− 23.6 ± 3.4

− 22.1 ± 3.1

0.51

  1. The data in bold refers to statistically significant difference.