Table 3. Correlation analysis and multivariate linear regression analysis of baseline PWV.

	baPWV				haPWV
	Correlation coefficient	P value	Multivariate regression, adjusted R2 = 0.474		Correlation coefficient	P value	Multivariate regression, adjusted R2  =  0.477
			β (95% C.I)	P value			β (95% C.I)	P value
Age, years	0.486	<0.001	7.895 (2.546~13.243)	0.004	0.386	<0.001	3.281 (0.795~5.768)	0.01
Gender	−0.04	0.695			0.097	0.351
LVH	0.24	0.03			0.26	0.02
Hypertension history, years	0.493	<0.001	12.181 (3.547~20.815)	0.023	0.433	<0.001	3.666 (−0.325~7.658)	0.071
Number of anti-hypertensive medication	0.211	0.034			0.181	0.078
Use of ACEI	0.218	0.028			0.167	0.107
Use of clonidine	0.395	<0.001			0.368	<0.001
Height, cm	−0.26	0.009			−0.06	0.568
Weight, kg	−0.15	0.139			−0.08	0.465
BMI	−0.015	0.884			−0.065	0.532
Potassium, mmol/L	0.055	0.584			−0.006	0.952
Creatinine, mg/dL	0.296	0.003			0.182	0.08
Log PAC	0.035	0.724			0.033	0.748
Log PRA	0.15	0.14			0.05	0.65
Log ARR	−0.11	0.39			−0	0.989
SBP, mmHg	0.473	<0.001	4.942 (2.724~7.160 )	<0.001	0.521	<0.001	1.746 (0.429~3.064)	0.01
DBP, mmHg	0.324	0.001			0.467	<0.001	2.668 (0.681~4.655)	0.009

Values are mean ± SD. BMI = body mass index; SBP = systolic blood pressure; DBP = diastolic blood pressure; ACEI = angiotensin converting enzyme inhibitor; LVH = left ventricular hypertrophy; Log PAC = log-transformed plasma aldosterone concentration; Log PRA = log-transformed plasma renin activity; Log ARR = log-transformed aldosterone to renin ratio.