Wall

Patients

(AF = 25) S⁻¹

Control

(NSR = 25) S⁻¹

Test of significance

P-value

LV strain rate (SR)

Septal:

Mean ± SD

Range

−0.9 ± 0.3

−0.2: −1.4

−1.6 ± 0.4

−0.9: −2.1

t = 7.29

<0.001**

Lateral:

Mean ± SD

Range

−0.8 ± 0.5

0.8: −1.6

−1.7 ± 0.2

−1: −2

t = 7.25

<0.001**

Anterior:

Mean ± SD

Range

−0.7 ± 0.4

0.2: −1.5

−1.5 ± 0.3

−1: −2.3

t = 8.29

<0.001**

Inferior:

Mean ± SD

Range

−0.9 ± 0.3

−0.1: −1.5

−1.5 ± 0.3

−0.9: −2.1

t = 7.13

<0.001**

Anteroseptal:

Mean ± SD

Range

−0.6 ± 0.6

1.2: −1.4

−1.5 ± 0.3

−1: −2.2

t = 6.4

<0.001**

Posterior:

Mean ± SD

Range

−0.9 ± 0.5

−0.5: −1.8

−1.7 ± 0.3

−1.3: −2.4

t = 6.95

<0.001**

LV strain rate

Mean ± SD

Range

−0.8 ± 0.3

−0.3: −1.2

−1.5 ± − 0.4

−1.1: −1.9

t = 7.25

<0.001**

RA strain rate (SR)

Septal:

Mean ± SD

Range

−0.98 ± 0.6

0.2: −2.4

−1.9 ± 0.3

−1.4: −3.2

t = 7.05

<0.001**

Lateral:

Mean ± SD

Range

−1.3 ± 0.9

0.6: −3.1

−2.1 ± 0.5

−1.4: −3.7

t = 4.19

<0.001**

LA strain rate (SR)

Septal:

Mean ± SD

Range

−0.9 ± 0.5

0.8: −1.8

−1.9 ± 0.4

−1.5: 3.3

t = 5.72

<0.001**

Lateral:

Mean ± SD

Range

−1.1 ± 0.6

0.1: −2.4

−2.04 ± 0.3

−1.3: −2.5

t = 7.22

<0.001**