Table 3.

Multivariate predictors of arterial stiffness and wave reflection indices

	Pulse Wave Velocity			Augmentation index			Pulse Pressure Amplification
	B (SE)	β	P value	B (SE)	β	P value	B (SE)	β	P value
Age (yrs)	0.02 (0.01)	0.18	0.05	0.44 (0.08)	0.40	<0.001	<−0.01 (<0.01)	−0.38	<0.001
Gender (f=0, m=1)	0.36 (0.24)	0.14	0.13	−9.60 (2.40)	−0.31	<0.001	0.13 (0.04)	0.27	<0.01
Weight (kg)	0.01 (0.01)	0.01	0.94	0.07 (0.11)	0.05	0.54	<0.01 (<0.01)	0.01	0.95
Height (cm)	-	-	-	−0.39 (0.14)	−0.24	<0.01	<0.01 (<0.01)	0.18	0.07
Mean Arterial Pressure (mmHg)	0.05 (0.01)	0.44	<0.001	0.33 (0.08)	0.23	<0.001	<−0.01 (<0.01)	−0.30	<0.001
Heart Rate (bpm)	-	-	-	−0.40 (0.10)	−0.24	<0.001	<0.01 (<0.01)	0.19	<0.01
Total Cholesterol (mg/dl)	0.01 (<0.01)	0.13	0.09	0.03 (0.04)	0.05	0.82	<0.01 (<0.01)	0.06	0.44
C-Reactive Protein (mg/L)	<−0.01 (0.03)	−0.02	0.74	0.16 (0.30)	0.03	0.55	<−0.01 (<0.01)	−0.05	0.39
Cystine (uM)	0.02 (<0.01)	0.15	0.03	0.22 (0.07)	0.18	0.01	<−0.01 (<0.01)	−0.12	0.05
Model R2	0.421			0.606			0.483

Multivariate analysis for association between cystine and each arterial index using significant univariate predictors; Table shows for each modeled variable the un-standardized (B) coefficient with standard error, the standardized (β) coefficient and the p value.