Table 1.
Characteristics of study subjects.
| Cohort | Disease group | Female | Male | ||||
|---|---|---|---|---|---|---|---|
| n | Age (SD) | MMSE (IQR) | n | Age (SD) | MMSE (IQR) | ||
| Bialystok | Cognitively normal (HC) | 12 | 68.8 (7.7) | 27 (26.8–28.3) | 8 | 67.0 (10.5) | 29.5 (28.8–30) |
| Alzheimer’s disease (AD) | 32 | 71.9 (8.4) | 21 (18.8–23.3) | 8 | 72.3 (13.4) | 23 (21.3–25.3) | |
| Warsaw | Blood donors (non-hospital group) | 27 | 38.8 (11) | – | 23 | 39.8 (10.4) | – |
| Subjective cognitive impairment (SCI) | 3 | 64.7 (4.7) | 28.7 (28–30) | 3 | 53 (2.7) | 28 (27–29) | |
| Mild cognitive impairment due to AD (MCI-AD) | 2 | 71 (5.7) | 25.5 (24.8–26.3) | 2 | 59 (9.9) | 28 (27.5–28.5) | |
| Mild cognitive impairment-non AD (MCI-non AD) | 5 | 56.4 (8.8) | 28.3 (28–29.3) | 7 | 55.3 (16.1) | 26.7 (24.5–28) | |
| Alzheimer’s disease (AD) | 2 | 57.5 (10.6) | 17.5 (15.8–19.3) | 2 | 61.5 (7.8) | 14.55 (11.8–17.3) | |
| Other dementia (OD) | 3 | 56.3 (7.6) | 25 (23.5–26.5) | 1 | 61 | 27 | |