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Table 2 Values of global longitudinal, radial and circumferential strain, and rotational parameters of the study population, differentiated by sex and age

From: Comprehensive assessment of left ventricular myocardial function by two-dimensional speckle-tracking echocardiography

 

Total (n 90)

Men (n 52)

Women (n 38)

p

≤ 55 y (n 59)

>  55 y (n 31)

p

LS (%)

−21.1 ± 2.1

− 20.7 ± 2.0

−21.7 ± 2.1

0.02

−21.1 ± 1.8

−21.1 ± 2.5

0.98

RS (%)

33.5 ± 10.2

34.0 ± 9.9

32.8 ± 10.7

0.59

32.4 ± 9.6

35.6 ± 11.2

0.15

CS (%)

−21.6 ± 3.9

−21.9 ± 4.3

−21.3 ± 3.4

0.41

−21.2 ± 3.4

− 22.4 ± 4.7

0.16

MAPSE (cm)

1.4 ± 0.1

1.48 ± 0,1

1.36 ± 0.1

0.01

1.4 ± 0.2

1.3 ± 0.1

0.01

B-A (cm)

8.2 ± 0.8

8.6 ± 0.6

7.6 ± 0.6

0.01

8.3 ± 0.8

7.9 ± 0.8

0.04

Apical Rot (°)

14.4 ± 6.5

14.9 ± 7.0

13.7 ± 5.9

0.40

14.2 ± 1.0

14.7 ± 0.9

0.76

Basal Rot (°)

− 6.2 ± 3.6

−6.0 ± 3.5

−6.5 ± 3.8

0.50

−5.7 ± 3.4

− 7.3 ± 3.9

0.05

Twist (°)

20.3 ± 7.6

20.7 ± 7.9

19.6 ± 7.1

0.51

19.4 ± 7.9

21.9 ± 6.6

0.14

CTor (°/cm)

2.5 ± 1.0

2.4 ± 1.0

2.6 ± 1.0

0.39

2.3 ± 1.0

2.8 ± 0.9

0.05

TorI (°/cm)

14.2 ± 5.3

14.0 ± 5.4

14.5 ± 5.2

0.67

13.1 ± 5.0

16.5 ± 15.2

0.01

CDP

 DP (° x %)

−432 ± 172

− 431 ± 170

433 ± 177

0.96

− 415 ± 182

− 463 ± 149

0.21

 DefI (° / %)

− 0.96 ± 0.36

−1.00 ± 0.39

−0.90 ± 0.31

0.18

−0.9 ± 0.3

−1.0 ± 0.3

0.09

  1. LS Longitudinal Strain, RS Radial Strain, CS Circumferential Strain, MAPSE Mitral annular plane systolic excursion, B-A Base-Apex distance, Rot. Rotation, CTor Classic Torsion, TorI Torsion Index, CDP Combinated Deformation Parameter, DP Deformation Product, DefI Deformation Index