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Table 2 Comparision of the peak systolic longitudinal strain of the subendocardial, midmyocardial and subepicardial layers in HCM patients and normal subjects (mean ± s.d.)

From: Left ventricular systolic function changes in hypertrophic cardiomyopathy patients detected by the strain of different myocardium layers and longitudinal rotation

 

Subendocardial

Midmocardial

Subepicardial

HCM(36) (%)

Normal(36) (%)

P-Value

HCM(36) (%)

Normal(36) (%)

P-Value

HCM(36) (%)

Normal(36) (%)

P-Value

3-CH

AnterSeptal

−15.95 ± 5.19

−25.80 ± 4.59

< 0.001

−11.32 ± 4.23

−21.05 ± 3.45

< 0.001

−8.50 ± 3.70

−17.55 ± 2.77

< 0.001

Posterior

−16.96 ± 5.13

−24.18 ± 3.97

< 0.001

−13.43 ± 4.35

−20.40 ± 3.67

< 0.001

−10.94 ± 3.77

−17.50 ± 3.61

< 0.001

4-CH

Lateral

−17.19 ± 7.11

−24.33 ± 3.77

< 0.001

−13.08 ± 6.11

−20.32 ± 3.39

< 0.001

−10.20 ± 5.37

−17.32 ± 3.24

< 0.001

Septal

−16.70 ± 5.41

−24.11 ± 3.61

< 0.001

−13.73 ± 4.71

−20.75 ± 3.15

< 0.001

−11.91 ± 4.24

−18.30 ± 2.85

< 0.001

2-CH

Anterior

−15.30 ± 6.69

−23.77 ± 3.46

< 0.001

−11.10 ± 5.89

−20.31 ± 2.89

< 0.001

−8.36 ± 5.20

−17.80 ± 2.55

< 0.001

 

Inferior

−17.74 ± 5.21

−25.40 ± 4.24

< 0.001

−14.50 ± 4.30

−21.96 ± 3.61

< 0.001

−12.58 ± 3.88

−19.41 ± 3.11

< 0.001

Global

−16.75 ± 4.13

−23.99 ± 3.05

< 0.001

−13.44 ± 3.68

−20.64 ± 2.59

< 0.001

−10.85 ± 3.28

−17.82 ± 2.28

< 0.001