Table 1.

Baseline comparisons of converters vs nonconverters

Variable	Total, n = 52	Converters, n = 17	Nonconverters, n = 35	p value
Age, y	72.8 (7.8)	75.1 (7.9)	71.7 (7.6)	0.15
Female, %	29	41	23	0.20
Education	14.8 (2.7)	14.5 (2.6)	14.9 (2.8)	0.60
APOE4, %	59	73	53	0.20
Composite vascular risk	1.40 (1.50)	0.94 (1.03)	1.67 (1.60)	0.16
Clinical stroke, %	23	12	29	0.30
cGM*	37 (3)	33 (2)	38 (3)	0.005
HC*	.30 (0.06)	.26 (0.05)	.31 (0.05)	0.0014
WMH*	1.0 (1.0)	0.9 (1.1)	1.1 (1.5)	0.60
MRI lacunes, %	44	35	49	0.40
Lacunar volume*	0.04 (0.08)	0.03 (0.06)	0.05 (0.09)	0.30
Memory	77.4 (16.5)	62.2 (9.5)	84.8 (14.0)	<0.0001
Executive function	82.7 (17.1)	78.7 (15.5)	84.6 (17.7)	0.20

Values are means (SD) or percentages.

^*Expressed as percentage intracranial volume.

cGM = cortical gray matter; HC = hippocampal volume; WMH = white matter hyperintensity volume.