Table 1.

Perfusion parameter results. Mean arterial transit time (ATT [s]) and cerebral blood flow (CBF [ml/100 g/min]) and statistical test–retest results (ICC, WSCV, SDD) in white (WM) and gray matter (GM).

parameter	ROI	test	retest	ICC	WSCV	SDD
ATT	GM	1.13 ± 0.03	1.15 ± 0.04	0.47	0.02	0.07
ATT	WM	1.23 ± 0.09	1.24 ± 0.11	0.71	0.04	0.14
CBF	GM	50.5 ± 9.44	49.2 ± 6.46	0.49	0.12	16
CBF	WM	26.7 ± 4.67	26.4 ± 3.63	0.37	0.12	9