Table 1 Baseline characteristics and cardiac magnetic resonance findings of the study subjects

Age (y)

67 ± 11

61 ± 18

62 ± 4

0.14

Male [n (%)]

13 (65)

8 (80)

10 (50)

0.23

Body mass index (kg/m²)

29 ± 4

28 ± 4

26 ± 4

0.09

Aortic valve area (cm²)

0.84 ± 0.15

0.87 ± 0.16

-

0.68

Peak aortic valve gradient (mmHg)

78 ± 17

66 ± 16

-

0.10

Left ventricular ejection fraction (%)

75 ± 6

73 ± 8

69 ± 4

0.10

Left ventricular mass index (g/m²)

98 ± 33^*

91 ± 26^*

53 ± 13

<0.001

Left ventricular wall thickness (mm)

16 ± 3^*

15 ± 2^*

9 ± 1

<0.001

Peak systolic circumferential strain (%)

-17.2 ± 2.5^*

-18.6 ± 2.8^*

-20.1 ± 1.6

0.002

PCr/ATP ratio

1.38 ± 0.17^†

1.65 ± 0.26^*

1.91 ± 0.29

<0.001

Myocardial lipid content (% of water)

0.85 ± 0.43^*

0.74 ± 0.29^*

0.44 ± 0.18

0.001