Table 2.
Characteristic | HCs | AD | MCI | PD | DLB | p |
N | 55 | 46 | 20 | 21 | 21 | |
Age (y) | 77.0±5.6 | 77.4±4.40 | 81.9±4.93* | 76.0±4.3 | 77.8±7.5 | p = 0.005a |
Sex (male/female) | 18/37 | 15/31 | 7/13 | 7/14 | 7/14 | p = 1.0b |
MMSE total score | 18.3±5.45 | 25.4±1.88 | ||||
Duration (y) (n = 39) | 4.2±4.07 | |||||
NPI-10 total score (n = 44) | 13.8±16.30 | |||||
MADRS total score (n = 33) | 5.9±4.86 | |||||
ADAS total score (n = 34) | 19.5±9.0 | |||||
CDR score (0:0.5:1:2:3) (n = 44) | 1:0:23:18:2 |
Values are the means±the standard deviations. HCs, healthy control subjects; AD, Alzheimer’s disease; MCI, mild cognitive impairment due to AD; PD, Parkinson’s disease; DLB, dementia with Lewy bodies; MMSE, Mini-Mental State Examination; ADAS, Alzheimer’s Disease Assessment Scale; NPI, Neuropsychiatric Inventory; MADRS, Montgomery-Asberg Depression Rating Scale; CDR, Clinical Dementia Rating. *Steel’s test, p = 0.005 (HCs versus MCI). a Kruskal-Wallis p = 0.005. b Pearson’s chi-squared test for independence.