Table 3.

Partial least squares model—flow territory artery density.

	ACA		PCA		MCA
	L	R	L	R	L	R
RMSE	0.1218	0.1168	0.1478	0.1292	0.1623	0.1234
ICV	− 0.004	− 0.008	− 0.004	− 0.004	− 0.006	0.002
Sex (M = 1; F = 2)	0.003	0.007	0.009	0.008	0.016	0.008
Age	− 0.025	− 0.027	− 0.038	− 0.029	− 0.005	0.000
BMI	0.000	− 0.001	− 0.011	− 0.009	− 0.018	− 0.016
WHR	− 0.002	− 0.005	− 0.013	− 0.012	− 0.022	− 0.016
Systolic blood pressure	− 0.006	− 0.009	− 0.016	− 0.013	− 0.015	− 0.010
Heart rate	0.002	0.002	0.005	0.004	0.003	0.003
Drinks per day	0.000	− 0.002	0.003	0.002	− 0.001	0.003
Smoking duration	0.002	0.002	− 0.001	− 0.001	− 0.004	− 0.005

Beta coefficients of the final partial least squares regression model predicting the artery density in the blood flow territories. Italic: p-value < 0.05, Bold: p-value < 0.01. ACA: anterior cerebral artery, PCA: posterior cerebral artery, MCA: middle cerebral artery, L: left, R: right.