Table 1 Controls and patients clinical characteristics

Age (years)

38 ± 16

75 ± 13

<0.0001

Gender

14 ♂/21 ♀

8 ♂/10 ♀

Echocardiographic measurements

Ejection fraction (%)

65 ± 6

66 ± 7

0.52

End-diastolic diameter (mm)

47 ± 4

45 ± 6

0.15

End-systolic diameter (mm)

31 ± 5

27 ± 6

0.01

Diastolic septal thickness (mm)

8.2 ± 1.3

12.2 ± 2.7

<0.0001

Diastolic posterior wall thickness (mm)

8.3 ± 1.1

11.2 ± 2.3

<0.0001

Lateral mitral annulus systolic (S') velocity (cm/s)

11.3 ± 2.2

8.0 ± 2.1

<0.0001

Aortic valve area/Body surface area (cm²/m²)

0.51 ± 0.15

Mean aortic gradient (mmHg)

51 ± 20

CMR measurements

Ejection fraction (%)

64 ± 5

67 ± 14

0.06

End-diastolic Volume (ml)

128 ± 33

101 ± 28

0.0009

End-systolic Volume (ml)

46 ± 13

35 ± 19

0.004

LV mass/End-diastolic Volume (g/ml)

0.96 ± 0.25

1.61 ± 0.55

<0.0001

LV mass/Body surface area (g/m²)

65 ± 10

89 ± 30

0.0002