Table 1. Characteristics of the Clinical Study Sample.

Characteristics	Healthy Controls (N = 28)	Hypertensives (N = 30)	P value
Clinical
Age	52±9	54±3	0.24
Women, %	56	47	0.34
Systolic blood pressure, mmHg	121±9	142±19	<0.001
Diastolic blood pressure, mmHg	72±9	85±12	<0.001
Mean arterial pressure, mmHg	112±10	132±16	<0.001
Echocardiographic
LV wall thickness, cm	1.8±0.2	1.9±0.3	0.33
LV end-diastolic diameter, cm	4.0±0.5	4.0±0.5	0.87
LV mass, g	146±56	149±44	0.84
Relative wall thickness	0.45±0.01	0.47±0.07	0.079
Fractional shortening	0.28±0.08	0.27±0.15	0.86
Ejection fraction, %	62±4	63±3	0.35
E prime, cm/s	13.2±3.1	10.1±2.8	0.0002
E/a ratio	1.2±4.2	1.1±4.0	0.36
E/e' ratio	6.2±1.6	7.5±2.1	0.014
Signal intensity coefficient	0.23±0.11	0.31±0.15	0.029
Myocardial structural index	10.7±0.89	11.7±1.79	0.008

Values are shown as means±standard deviations or percent frequencies.