General demographic features of the study groups
| PCA (n = 6, 3F) | tAD (n = 10, 4F) | Controls (n = 10, 5F) | |
|---|---|---|---|
| Values are mean (SD). | |||
| *p<0.001 v both AD and PCA; †p = 0.04 v PCA. | |||
| F, female; MMSE, mini-mental state examination; PCA, posterior cortical atrophy; tAD, typical Alzheimer’s disease. | |||
| Age | 63.6 (7.8) | 68.1 (7.4) | 61.3 (7.6) |
| MMSE (/30) | 21.2 (5.1) | 22.8 (1.8) | 29.6 (0.5)* |
| Education (years) | 13.3 (2.4) | 10.7 (1.4)† | 11.3 (1.5) |
| Symptom duration (years) | 5.7 (2.7) | 4.8 (2.6) | – |