Table 1. Comparison of characteristics between the Young and Middle-aged and older groups.

	Young	Middle-aged and older
Subjects (Male/Female), n	45 (25/20)	60 (24/36)
Age, years	21.4 ±0.5	67.4±0.8 *
Height, cm	167.7 ± 1.7	159.5 ±1.2 *
Body weight, kg	60.6 ±1.5	58.1 ±1.4
BMI, kg/m2	21.4 ± 0.3	22.8±0.5 *
Total cholesterol, mg/dl	175.7 ±5.0	222.6 ±4.5 *
HDL cholesterol, mg/dl	65.6 ±1.9	72.9 ±3.0
Triglycerides, mg/dl	69.4 ±5.1	112.5 ±10.5 *
Salusin-α levels, ng/ml	1.68 ± 0.09	0.76 ±0.05 *
HR, bpm	58.4 ±1.4	59.6 ±1.1
SBP, mmHg	112.9 ±1.9	130.3 ±2.1 *
DBP, mmHg	63.6 ±1.3	76.9 ±1.3 *
MBP, mmHg	80.0 ±1.5	94.7 ±1.5 *
cfPWV, cm/s	790.8±24.3	1134.1 ±35.0 *
ccIMT, mm	0.521 ±0.009	0.750±0.015 *

BMI: body mass index, HDL: high-density lipoprotein, HR: heart rate, bpm: beats per minute, SBP: systolic blood pressure, DBF: diastolic blood pressure, MBP: mean blood pressure, cfPWV: carotid-femoral pulse wave velocity, ccIMT: common carotid intima-media thickness.

Values are means and SE. * P<0. 05 vs. Young