Demographics and clinical characteristics of the participants
| Patients with MCI (n=46) | Patients with dementia (n=44) | HCs (n=61) | χ2/F | P value | |
| Clinical demographic data (mean (SD)) | |||||
| Age | 73.07 (9.96) | 73.30 (8.72) | 72.44 (6.07) | 0.16 | 0.857 |
| Years of education | 7.58 (5.21) | 11.80 (4.52) | 13.72 (3.80) | 24.98 | <0.001 |
| Gender, male, n (%) | 22 (47.8) | 17 (38.6) | 22 (36.1) | 4.15 | 0.386 |
| Global cognitive scales (mean (SD)) | |||||
| C-MoCA score | 18.84 (4.97) | 10.74 (6.04) | 26.09 (2.81) | 136.90 | <0.001 |
| MMSE score | 21.51 (5.61) | 14.90 (6.96) | 25.35 (5.95) | 23.51 | <0.001 |
| Functional status (mean (SD)) | |||||
| ADL score | 16.00 (3.54) | 19.12 (8.68) | 14.13 (0.52) | 3.35 | 0.042 |
| CDR score | 0.52 (0.10) | 1.61 (0.52) | 0.00 (0.00) | 497.24 | <0.001 |
Gender was calculated by χ2 test, statistic value: χ2. Others were calculated by ANCOVA, analysis of covariance, statistic value: F.
All values, except gender, are expressed as mean (SD).
ADL, Activities of Daily Living; CDR, Clinical Dementia Rating scale; C-MoCA, Chinese Version of Montreal Cognitive Assessment; HCs, healthy controls; MCI, mild cognitive impairment; MMSE, Mini-Mental State Examination.