Table 1.
Demographic and clinical characteristics of patients and controls: Mean (SD)
| naPPA | svPPA | lvPPA | bvFTD | Controls | |
|---|---|---|---|---|---|
| M/F | 2/7 | 7/4 | 7/7 | 9/5 | 13/23 |
| Education (y) | 13.9 (1.9) | 15.2 (3.0) | 16.0 (3.4) | 16.3 (3.0) | 15.9 (2.5) |
| Age at Time 1 | 66.1 (9.0) | 61.0 (8.1) | 64.9 (7.8) | 67.1 (9.9) | 69.1 (7.7) |
| Age at Time 2 | 67.5 (9.3) | 63.9 (9.1) | 67.0 (7.8) | 69.4 (10.2) | -- |
| Time 1-Time 2 interval (months) | 16.9 (7.2) | 34.7 (26.2) | 25.3 (14.1) | 27.2 (19.3) | -- |
| Disease duration at Time 1 (y) | 2.3 (0.7) | 3.4 (2.0) | 3.6 (2.3) | 4.1 (3.1) | — |
| Disease duration at Time 2 (y) | 3.8 (0.8) | 6.3 (2.2) | 5.7 (3.0) | 6.5 (2.7) | — |
| MMSE, Time 1 | 23.6 (6.2)* | 25.0 (3.2)* | 25.3 (4.2)* | 26.7 (2.6)* | 29.1 (1.1) |
| MMSE, Time 2 | 18.7 (9.3)*# | 15.8 (6.0)*#^ | 20.5 (7.3)*# | 24.9 (4.1)*# |
Notes:
* Differs from Controls, p<.01
# Differs from corresponding Time 1, p<.05
^ svPPA differs from lvPPA (p<.05) and from bvFTD (p<.01)