Redundant Vasodilator Pathways Underlying Radial Artery Flow-Mediated Dilation Are Preserved in Healthy Aging

Table 1

Participant characteristics^a,b.

	Young (𝑛=16)^c	Older (𝑛=10)
Age (years)*	28 ± 4	65 ± 3
BMI (kg/m^2)	25.1 ± 2.7	24.2 ± 3.7
SBP (mmHg)*	106 ± 10	119 ± 10
DBP (mmHg)*	65 ± 7	71 ± 6
HR (bpm)	58 ± 9	60 ± 8
LDL cholesterol (mmol/L)	2.4 ± 0.8	2.6 ± 0.5
HDL cholesterol (mmol/L)	1.6 ± 0.4	1.8 ± 0.4
Whole blood viscosity (mPA·s)	5.0 ± 0.7	4.9 ± 0.3
Hemoglobin (mg/dL)	14.2 ± 1.8	14.1 ± 0.8

aData are means ± SD.
^bBMI: body mass index; DBP: diastolic blood pressure; HDL: high-density lipoprotein; HR: heart rate; LDL: low-density lipoprotein; SBP: systolic blood pressure.
^cData from young participants have been published previously [8].
*Significant difference between age groups (𝑃<0.05).