TABLE 1.

Characteristics of the subjects.

Characteristics	N = 142
Age, y, mean ± SD	60.8 ± 7.0
Female, n (%)	79 (55.6%)
Education, y, mean ± SD	7.69 ± 3.7
Hypertension, n (%)	56 (39.4%)
Hyperlipemia, n (%)	23 (16.2%)
Diabetes, n (%)	14 (9.99%)
Smoker, n (%)	40 (28.2%)
MMSE, mean ± SD	27.3 ± 3.3
MoCA, mean ± SD	21.9 ± 4.8
PSQI, mean ± SD	5.4 ± 3.9
bgPVS score, median (interquartile range)	1 (1∼1)
wmPVS score, median (interquartile range)	1.5 (1∼2)
WMH volume, mL, median (interquartile range)	1.5 (0.8∼2.7)
Lacune, n, median (interquartile range)	0 (0∼0)
Microbleed, n, median (interquartile range)	0 (0∼0)

PVS, perivascular space; WMH, white matter hyperintensity.