Table 4. Multivariable linear regression analysis of some factors correlating independently with pulse wave velocity.

Variables	All participants (n=150)	Non-dialyzed (n=90)	Pre-dialyzed (n=60)	Post-dialyzed (n=60)
Age (years)	0.83±0.05c	0.84±0.05c	0.82±0.09c	0.78±0.08c
BMI (kg/m2)	0.03±0.04	−0.01±0.05	0.06±0.07	0.06±0.07
MAP (mmHg)	0.23±0.04c	0.23±0.05c	0.36±0.08c	0.27±0.07b
Diabetes	0.05±0.05	0.00±0.05	0.22±0.09b	0.22±0.09a
Previous CVE	0.03±0.04	0.04±0.05	0.02±0.07	0.00±0.07
Current smoking	0.08±0.04a	0.09±0.05a	0.06±0.07	0.07±0.07
Adjusted R2	0.782	0.820	0.734	0.757
P value for the model	<0.0001	<0.0001	<0.0001	<0.0001

^a, P<0.05; ^b, P<0.01; ^c, P<0.001; Data are β ± SE. β, standard regression coefficient. SE, standard error; BMI, body mass index; CVE, cardiovascular event; MAP, mean arterial pressure.