Table 1.
Demographic data of the participants in the design phase.
| Mean (SD) | |
|---|---|
| N | 3,498 |
| Age, years | 74.5 (11.4) |
| Sex, female, N (%) | 1,975 (56.3) |
| Education, years | 5.1 (4.7) |
| CDR, 0/0.5/1/2/3, N | 294/1390/881/624/309 |
| CDR-SB | 5.9 (5.3) |
| CASI | 54.4 (28.2) |
| MoCA | 11.2 (8.5) |
| IADL | 4.2 (3.3) |
| BI | 76.6 (34.4) |
| NPI | 8.2 (10.7) |
| CI severity, NC/SCD/MCI/Dementia | 233/268/599/2398 |
| Subtypes, AD/VCI/LBD/OD | 1622*/777/793/306 |
| Cutoff scores, NC/SCD/MCI/Dementia | |
| AD group | 0/0.5/1.0/2.5 |
| Non-AD group | 0/0.5/1.0/3.0 |
| All participants | 0/0.5/1.0/2.5 |
N, number; SD, Standard deviation; CDR, Clinical Dementia Rating Scale; CDR-SB, Sum of boxes of the Clinical Dementia Rating Scale; CASI, Cognitive Abilities Screening Instrument; MoCA, Montreal Cognitive Assessment; IADL, Instrumental Activities of Daily Living; BI, Barthel Index; NPI, Neuropsychiatric Inventory; CI, cognitive impairment; NC, normal cognition; SCD, subjective cognitive decline; MCI, mild cognitive impairment; AD, Alzheimer's disease; VCI, vascular cognitive impairment; LBD, Lewy body disease; OD, other disorders.
*
Participants with NC/SCD/MCI without the cerebrovascular disease (CVD), LBD, or other brain disorders were divided and analyzed in the AD group.