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Table 4 Comparison of our results with published normal values in healthy individuals

From: Increased longitudinal contractility and diastolic function at rest in well-trained amateur Marathon runners: a speckle tracking echocardiography study

Parameter

Peak systolic strain(%)

Peak systolic SR(1/s)

Early diastolic SR(1/s)

Late diastolic SR(1/s)

Athlete (n = 84)

-23.0 ± 2.23

-1.39 ± 0.21

2.00 ± 0.40

1.21 ± 0.31

Control Marwick (n = 192)

-18.6 ± 0.1

-1.1 ± 0.01

1.55 ± 0.01

1.02 ± 0.01

p

< 0.001

< 0.001

< 0.001

< 0.001

Control HUNT study (n = 1266)

-16.7 ± 4.1

-1.03 ± 0.27

no data

no data

p

< 0.001

< 0.001

-

-