Clinical characteristics
| Diagnosis | No | Sex (M:F) | Age (y) | Duration dementia (y) | MMSE score | Albumin ratio |
| FTD | 18 | 5:13 | 65.5 (8.4) | 4.1 (3.2) | 17.7 (6.4) | 9.7 (2.9) |
| Probable AD | 41 | 13:28 | 73.8 (5.9) | 3.2 (1.8) | 17.6 (5.2) | 5.4 (1.8) |
| Possible AD | 19 | 11:8 | 78.9 (5.7) | 3.0 (2.3) | 21.9 (3.7) | 7.9 (2.9) |
| SAE | 17 | 12:5 | 75.8 (4.4) | 2.6 (2.2) | 22.1 (7.2) | 11.9 (7.2) |
| PD | 15 | 11:4 | 69.9 (7.5) | — | — | 6.8 (2.4) |
| Controls | 17 | 4:13 | 71.8 (4.2) | — | — | 5.3 (1.8) |
Values are means (SD). FTD=Frontotemporal dementia; AD=Alzheimer's disease; SAE=subcortical arteriosclerotic encephalopathy; PD=Parkinson's disease; albumin ratio=CSF albumin (mg/l)/serum albumin (g/l).