Patients

Normals

Sex

12 Males, 5 Females

7 Males, 1 Female

Body surface area

2.26 ± 0.23

2.17 ± 0.21

Blood pressure, mmHg

178/94 ± 14/14^*

119/70 ± 9/5^*

Heart rate

71 ± 11

75 ± 7

Posterior wall thickness diastole, cm

1.24 ± 0.22^*

0.75 ± 0.08^*

Septal wall thickness diastole, cm

1.29 ± 0.24^*

0.79 ± 0.06^*

LV end-diastolic dimension, cm

5.21 ± 0.36

5.00 ± 0.44

LV end-systolic dimension, cm

3.63 ± 0.35

3.34 ± 0.37

Relative wall thickness

0.48 ± 0.08^*

0.30 ± 0.03^*

LV mass, g/m^2.7 (echocardiographic; allometric)

65.7 ± 23.4^*

28.1 ± 6.0^*

Septal/posterior wall ratio

1.04:1

1.05:1

End-systolic circumferential stress, g/cm²

175 ± 27

146 ± 28

Fractional shortening, %

32 ± 6

33 ± 3

Ejection fraction, %

64 ± 11

65 ± 5

Echo MWS, %

13.4 ± 2.8^†

18.2 ± 1.5^†