Table 3. Correlation between vascular caliber and blood pressure parameters.

	Outer diameter		Inner diameter		Wall thickness		Wall-to-lumen ratio
	r	P	r	P	r	P	r	P
Systolic blood pressure	−0.12	0.32	−0.33	<0.01	0.50	<0.0001	0.60	<0.0001
Diastolic blood pressure	−0.15	0.22	−0.37	0.001	0.54	<0.0001	0.65	<0.0001
Pulse pressure	−0.03	0.80	−0.13	0.29	0.24	0.04	0.27	0.02
Heart rate	0.20	0.09	0.15	0.21	0.18	0.12	0.05	0.65
Age	0.001	0.99	−0.21	0.07	0.54	<0.0001	0.56	<0.001
Body mass index	−0.05	0.66	−0.17	0.17	0.26	0.03	0.35	<0.01