Table 3 Speckle tracking strain parameters of patients and controls

Longitudinal

   strain (%)

−18.1 ± 3.2

−21.0 ± 1.6

<0.01

   SR (%/s)

−1.05 ± 0.2

−1.2 ± 0.12

<0.01

   diastolic SR (%/s)

1.65 ± 0.5

1.99 ± 0.47

<0.01

Circumferential

   strain (%)

−17.8 ± 3.4

−19.9 ± 2.5

<0.01

   SR (%/s)

−1.19 ± 0.22

−1.24 ± 0.18

NS

   diastolic SR (%/s)

1.68 ± 0.49

2.06 ± 0.42

<0.01