Table 5.

The r² and coefficients of univariate linear regression analysis between age and vascular characteristics for males (n = 86) and females (n = 161).

	LICA						RICA
	Male			Female			Male			Female
	r2	coeff	p	r2	Coeff	p	r2	coeff	p	r2	coeff	p
TI	0.15	0.014	<0.001	0.35	0.023	<1e−4	0.27	0.019	<1e−4	0.28	0.022	<1e−4
BL	0.17	0.24	<0.01	0.40	0.38	<1e−4	0.33	0.33	<1e−4	0.40	0.40	<1e−4
ICM	0.11	0.05	0.002	0.40	0.09	<1e−4	0.19	0.06	<1e−4	0.20	0.08	<1e−4
Blood flux	0.34	−1.75	<1e−4	0.25	−1.66	<1e−4	0.27	−1.51	<1e−4	0.22	−1.47	<1e−4
MaxV	0.21	−0.18	<1e−4	0.30	−0.28	<1e−4	0.14	−0.15	<0.001	0.30	−0.28	<1e−4
	LVA						RVA
TI	6e−3	8e−4	0.47*	0.03	2e−3	0.04*	4e−3	8e−4	0.55*	7e−3	2e−3	0.31*
BL	0.02	0.017	0.17*	0.02	0.02	0.05*	0.04	0.02	0.07*	0.05	0.04	0.005*
ICM	0.13	0.01	<0.001	0.10	0.02	<1e−4	0.05	7e−3	0.03*	0.05	0.02	0.005*
Blood flux	0.08	−0.58	<0.001	0.07	−0.60	<0.001	0.05	−0.39	0.03*	0.11	−0.65	<1e−4
MaxV	0.14	−0.10	<0.001	0.23	−0.17	<1e−4	0.13	−0.10	<0.001	0.20	−0.14	<1e−4

r²: r squared; coeff: coefficients of linear regression; Adjusted p ≤ 0.0025 is the threshold for significance.

^*There is no significant difference (p > 0.0025).