Table 3.

Mean CBF values ( ml/min/100g), Mean CBV values (ml/100g) and MTT (sec) in dementia and non-dementia patients

Region	CBF		CBV		MTT
	Dementia	Non- dementia	Dementia	Non- dementia	Dementia	Non- dementia
Mean frontal WM	11.90	21.26	12.93	22.05	20.07	17.50
	p=0.000		p=0.011		NS
Mean basal ganglia WM	24.32	36.03	16.00	20.09	20.07	17.50
	p=0.038		NS		NS
Mean occipital WM	15.47	20.56	13.79	21.50	19.32	17.98
	p=0.001		NS		NS

WM = white matter , NS = not significant