Striatal Hypodensities, Not White Matter Hypodensities on CT, Are Associated with Late-Onset Depression in Alzheimer's Disease

Table 1

Sample demographics and covariates for all dementia and alzheimer’s disease only.

𝑁	All dementia	Alzheimer’s disease
	182	127
Age at CT scan (SD)	80.6 (6.7)	80.8 (6.9)
Duration of dementia (SD)	5.2 (4.2)	5.1 (4.2)
Female, 𝑛 (%)	116 (63.7)	86 (67.7)
Education, years (SD)	7.4 (2.4)	7.5 (2.6)
Monozygotic, 𝑛 (%)	51 (28.0)	40 (31.5)
Hypertension, 𝑛 (%)	153 (84.1)	104 (81.9)
Diabetes, 𝑛 (%)	43 (23.6)	24 (18.9)
Arrhythmia, 𝑛 (%)	36 (19.8)	25 (19.7)
PAD, 𝑛 (%)	4 (2.2)	2 (1.6)
CAD, 𝑛 (%)	59 (32.4)	38 (30.0)
TIA, 𝑛 (%)	14 (7.7)	6 (4.7)
Any CVD, 𝑛 (%)	166 (91.2)	113 (89.0)

PAD: peripheral artery disease; CAD: coronary artery disease; TIA: transient ischemic attack; CVD: cerebrovascular disease.