Research Article

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

Table 5

risk of subcortical white matter hypodensities in late-onset depression compared with no depression for all dementia and Alzheimer’s disease only.

No depressionLate-onset depression
Level of WMH*01230123OR (95% CI)**

All dementia62 (47.0)16 (12.1)25 (18.9)29 (22.0)17 (47.2)3 (8.33)9 (25.0)7 (19.4)0.97 (0.48, 1.92)
AD only48 (50.5)11 (11.6)18 (18.9)18 (18.9)12 (48.0)2 (8.0)5 (20.0)6 (24.0)1.16 (0.48, 2.58)

OR: ordinal cumulative logit odds ratio estimate, controlling for age at time of CT scan; CI: confidence interval; AD: Alzheimer’s disease.
Level of WMH: 0 = none, 1 = one discrete hypodensity, 2 = more than one discrete hypodensity, 3 = confluent hypodensities.
*All numbers for Level of WMH given in terms of (%). **Late-onset depression group compared to no depression group.