Table 1.

Demographic and clinical data for participants with and without Alzheimer's dementia

	Total	Cognitively normal	Alzheimer's dementia
Subjects, n	26	15	11
Age, years	73.8±8.3	72.5 ± 9.3	75.7 ± 6.5
Male/female gender, n	9/17	4/11	5/6
WMH volume, voxels	2,618.3 ± 5,047.1	1,653.2 ± 3,793.5	3,934.5 ± 6,342.9
MMSE score	26.9 ± 2.8	29.0 ± 1.3	24.0 ± 1.4
Longest Span Backward	7.2 ± 1.7	8.1 ± 1.2	6.1 ± 1.6
Longest Span Forward	7.6 ± 1.6	8.3 ± 1.2	6.5 ± 1.4
Stroop test	74.1 ± 23.8	89.0 ± 13.6	53.8 ± 19.3
Letter Number Sequencing	9.5 ± 3.3	11.3 ± 2.3	7.1 ± 2.9

Values are means ± standard deviations unless otherwise stated.