Table 1.

Subject characteristics (N = 20) ^a

Characteristic
Female, male	8, 12
Age, y	71 ± 6
Education, y	17 ± 3
Hypertension, hyperlipidemiab	3, 5
MMSE	28 ± 2
Total homocysteine, μmol/L	10.8 ± 1.8
CSF volume, % ICVc	5 ± 3
WMH severity:d
Deep	1 (0–2)
Periventricular	1 (0–2)

^aMean (SD) or median (range), unless otherwise noted; ^bNumber treated; ^cICV, intracranial volume; ^dFazekas visual rating scale.