Table 1.
Baseline characteristics of patients including the distribution of dementia and mild cognitive impairment (MCI) subtypes, median Quick Mild Cognitive Impairment (Qmci) screen and Montreal Cognitive Assessment (MoCA) scores, with inter-quartile range (IQR) values, for normal controls and patients with subjective memory complaints (SMC), MCI, and dementia
| Group | Total | Normal | SMC | MCI | Dementia | Early-Mild | Moderate | Severe |
| Included | Controls | (Total) | ||||||
| Participants | 551 | 101 | 73 | 103 | 274 | 201 | 61 | 12 |
| Age | ||||||||
| (Years) | 76±12 | 74±14 | 72±11 | 76±13 | 77±10 | 77±9 | 79±15 | 77±11 |
| (Median±IQR) | ||||||||
| (Q3-Q1) | (81-69) | (78-64) | (78-67) | (81-68) | (82-72) | (82-73) | (84-69) | (79-68) |
| Education | ||||||||
| (Years) | 12±4 | 13±4 | 12±4 | 13±5 | 11±3 | 11±3 | 10±2 | 13±3 |
| (Median±IQR) | ||||||||
| (Q3-Q1) | (14-10) | (15-11) | (14-10) | (16-11) | (13-10) | (13-10) | (11-9) | (13-10) |
| Gender (% Female) | 66% | 69% | 61% | 66% | 68% | 68% | 70% | 58% |
| Qmci | ||||||||
| (Median±IQR) | 51±29 | 86±13 | 68±9 | 56±12 | 37±23 | 41±14 | 18±17 | 7±6 |
| (Q3-Q1) | ||||||||
| (66-37) | (81-68) | (73-64) | (64-52) | (45-22) | (46-32) | (26-9) | (9-3) | |
| MoCA | ||||||||
| (Median±IQR) | 20±12 | 26±4 | 25±4 | 22±5 | 13±9 | 16±7 | 6±5 | 2±3.5 |
| (Q3-Q1) | ||||||||
| (25-13) | (28-24) | (27-23) | (25-20) | (17-8) | (19-12) | (9-4) | (3.5-0) | |
| Subtype | Alzheimer’s | Vascular | Mixed | Frontotemporal | Lewy Body | Parkinson’s | Other/ | |
| (possible/probable) | disease | unknown | ||||||
| Dementia (%) | 176 (64%) | 40 (15%) | 24 (9%) | 8 (3%) | 12 (4%) | 3 (1%) | 11 (4%) | |
| MCI (%) | 72 (70%) | 14 (13.5%) | 8 (8%) | 5 (5%) | 3 (3%) | 1 (0.5%) | – | |
| SMC | – | – | – | – | – | – | – |