Characteristics of frontotemporal dementia (FTD total; social–dysexecutive subtype; aphasic subtype; progressive non-fluent aphasia subtype (PNFA); semantic dementia (SD) subtype), Alzheimer’s disease (AD), and healthy control samples
| Total FTD | Social–dysexecutive | Aphasic | PNFA | SD | AD | Control | |
|---|---|---|---|---|---|---|---|
| MMSE, Mini-Mental State Examination. | |||||||
| No of subjects | 27 | 12 | 15 | 7 | 8 | 11 | 11 |
| Mean age (range) | 63.64(44–82) | 61.63(41–76) | 68.07(55–82) | 69.00(55–82) | 67.14(55–75) | 73.09(51–81) | 75.09(64–83) |
| Mean education | 14.71 | 15.30 | 14.13 | 14.00 | 14.25 | 14.78 | 14.64 |
| MMSE score | 23.45 | 24.42 | 22.67 | 22.14 | 23.13 | 23.36 | 29.36 |