Table 5.

Average CBF and GM Values in Selected Region

	hippocampus	amygdale	parahippocampus	precuneus
GM
(% of visual cortex)
mean AD (sd)	109.5 (15.3)	174.7 (14.2)	128.9 (17.2)	123.9 (11.6)
mean CN (sd)	127.3 (10.6)	194.2 (10.0)	148.0 (9.8)	121.8 (12.9)
Ratio	0.860	0.900	0.871	1.017
Prob. of difference	0.0003	0.00004	0.0003	0.38
Prob. of MMSE
corr. within AD grp.	0.004 (pos)	0.20 (pos)	0.10 (pos)	0.07 (pos)
CBF
(% of visual cortex)
mean AD (sd)	102.9 (23.5)	105.7 (29.7)	93.3 (18.8)	79.0 (15.8)
mean CN (sd)	97.2 (21.8)	100.5 (22.6)	91.0 (17.8)	89.1 (12.7)
ratio	1.059	1.052	1.025	0.887
Prob. of difference	0.19	0.32	0.24	0.017
Prob. of MMSE
corr. within AD grp.	0.76 (neg)	0.72 (neg)	0.80 (neg)	0.08 (pos)
CBF/GM
mean AD (sd)	0.96 (0.29)	0.61 (0.19)	0.74 (0.20)	0.64 (0.14)
mean CN (sd)	0.77 (0.17)	0.52 (0.11)	0.62 (0.14)	0.75 (0.17)
ratio	1.247	1.173	1.194	0.853
Prob. of difference	0.008	0.043	0.017	0.031
Prob. of MMSE
corr. within AD grp.	0.11 (neg)	0.20 (neg)	0.28 (neg)	0.12 (pos)