Table 3:

WMH scores for each diagnostic group study*

	NCI	na-MCI	a-MCI	Probable AD (N = 34)	F Values
	(n = 40)	MCI (n = 53)	MCI (n = 65)	Probable AD (N = 34)	F Values
Frontal (right) (SD) [95% CI]	.90^a (0.8)	.83^a (0.8)	1.22^ab (.9)	1.44^b (1.1)	4.21^‡
	[.64–1.16]	[.62–1.04]	[.98–1.45]	[1.06–1.83]
Frontal (left) (SD) [95% CI]	.73^a (0.6)	.81^ab (.8)	1.14^ab (1.0)	1.26^b (1.1)	3.54^†
	[.52–.93]	[.59–1.03]	[.89–1.39]	[.90–1.63]
Parietal (right) (SD) [95% CI]	.45^a (0.6)	.79^ab (1.0)	1.02^ab (1.1)	1.38^b (1.2)	5.90^†
	[.26–.64]	[.53–1.06]	[.75–1.28]	[.96–1.80]
Parietal (left) (SD) [95% CI]	.43^a (0.6)	.77^ab (.9)	1.06^bc (1.1)	1.35^c (1.3)	6.30^§
	[.25–.60]	[.52–1.03]	[.78–1.34]	[.92–1.78]
Occipital (right) (SD) [95% CI]	.25^a (0.6)	.47^ab (0.8)	.97^b (1.2)	1.12^bc (1.4)	6.35^§
	[.05–.45]	[.24–.70]	[.66–1.28]	[.64–1.59]
Occipital (left)	.38^a (0.7)	.45^a (0.8)	1.02^ab (1.3)	1.12^b (1.3)	5.57^§
(SD) [95% CI]	[.15–.60]	[.23–.68]	[.70–1.33]	[.65–1.59]
Centrum semiovale	.57^a (0.7)	.92^a (1.0)	1.15^ab (1.1)	1.68^b (1.3)	7.34^§
(right) (SD) [95% CI]	[.36–.79]	[.66–.1.19]	[.87–1.44]	[1.23–2.12]
Centrum semiovale	.55^a (0.7)	.83^a (.9)	1.12^a (1.1)	1.74^b (1.2)	9.65^§
(left) (SD) [95% CI]	[.32–.78]	[.58–1.08]	[.85–1.39]	[1.30–2.17]

Note:—95% CI refers to the 95th confidence interval for the mean.
* Means with different alphabetic superscripts (a, b, c) are significantly different at P < .05 by the Scheffe post hoc procedure.
† P < .05.
‡ P < .01.
§ P < .001.