Table 1.

Echocardiographic and blood pressure measurements.

	Adult	Senescent	p Value
Age (months)	7.5±0.5	31.8±0.4	<0.0001
Heart Rate (beats per min)	484±6	463±7	0.03
End Systolic Dimension (mm)	2.45±0.06	2.86±0.09	<0.001
End Diastolic Dimension (mm)	3.79±0.06	4.15±0.08	<0.001
Fractional Shortening (%)	35±1	31±1	<0.01
Interventricular Septal Wall Thickness (mm; diastolic)	0.81±0.01	0.71±0.02	<0.001
Posterior Wall Thickness (mm; diastolic)	0.80±0.02	0.72±0.02	<0.001
End Systolic Volume (μl)	12.1±0.7	18.6±1.4	<0.001
End Diastolic Volume (μl)	38.4±1.5	45.8±2.4	0.02
Ejection Fraction (%)	69±1	60±2	<0.001
Stroke Volume (μl)	26±1	27±1	0.15
Systolic Blood Pressure (mmHg)	114±3	111±3	0.48
Diastolic Blood Pressure (mmHg)	102±3	102±4	0.96

Data presented are AVG±SEM. Sample sizes for the echocardiographic analysis are 27 adult (14 female and 13 male) and 26 senescent (12 female and 14 male). Sample sizes for the blood pressure measurements are 12 adult (6 female and 6 male) and 12 senescent (6 female and 6 male).