Table 1.
Participant characteristics at time of first scan. All continuous variables are reported as means (SD).
| Group | N (NMRI) | Age | Sex (% male) | Education | MMSE | Disease duration |
|---|---|---|---|---|---|---|
| Control | 115 (238) | 62.7 (8.2) | 41 | 15.9 (3.0) | — | — |
| aAD | 22 (33) | 64.9 (9.7) | 45 | 15.9 (2.8) | 18.3 (6.4) | 3.8 (2.3) |
| lvPPA | 41 (88) | 62.5 (7.2) | 39 | 16.2 (3.2) | 22.4 (5.8) | 3.0 (1.7) |
| PCA | 27 (51) | 59.4 (7.3) | 41 | 16.0 (2.5) | 22.2 (4.3) | 2.7 (2.0) |
| CBS | 17 (31) | 59.9 (7.0) | 41 | 14.5 (2.4) | 18.6 (6.7) | 3.9 (2.8) |
| bvAD | 22 (37) | 64.3 (8.2) | 50 | 15.8 (3.1) | 19.6 (8.4) | 4.0 (2.1) |