Table 1.

Subjects’ (n = 17) physical characteristics, echocardiographic and hemodynamic measurements at rest. Data are means (±SD).

Variables
Age (years)	13.0. (1.0)
Weight (kg)	40.3 (4.8)
Height (m)	1.55 (.04)
Aortic valve diameter (cm)	1.72 (.15)
Body surface area (m2)	1.4 (.2)
Left ventricular posterior wall (mm)	7.0 (.8)
Intraventricular septum thickness (mm)	7.3 (.8)
Left ventricular mass (g)	109.0 (14.7)