Table 2.
Participant demographics
| All participants | AD | FTDa | CN |
| No. | 24 | 33 | 34 |
| Age mean ± SD (range) [years] | 67.1 ± 7.5 (52.4–81.3) | 64.7 ± 8.8 (40.7–79.7) | 64.7 ± 6.5 (46.5–78.8) |
| MMSE mean ± SD (range)b | 24.1 ± 3.8 (15–30)a | 25.3 ± 3.7 (15–30)a | 28.7 ± 1.3 (25–30) |
| Men | AD | FTDa | CN |
| No. | 15 | 17 | 22 |
| Age mean ± SD (range) [years] | 67.3 ± 7.8 (52.4–81.3) | 64.5 ± 8.2 (43.5–79.7) | 66.6 ± 4.3 (58.1–78.8) |
| MMSE mean ± SD (range)b | 24.1 ± 4.3 (15–29)a | 25.1 ± 4.1 (15–30)a | 28.4 ± 1.3 (25–30) |
| Women | AD | FTD | CN |
| No. | 9 | 16 | 12 |
| Age mean ± SD (range) [years] | 66.9 ± 7.4 (60.8–79.4) | 64.9 ± 9.6 (40.7–78.6) | 61.4 ± 8.6 (46.5–75.5) |
| MMSE mean ± SD (range)b | 24.2 ± 3.2 (20–30) | 25.5 ± 3.4 (20–30) | 29.3 ± 1.1 (27–30) |
aTwo patients had MMSE scores of 15, which was due to language deficits. Their data were retained in the analysis, as their full neuropsychological examination indicated only moderate impairment in all cognitive domains except language
bThe maximum score for the Mini-Mental State Examination (MMSE) is 30
AD Alzheimer’s disease, CN cognitively normal controls, FTD frontotemporal dementia, MMSE Mini-mental state examination score