Self versus informant-based report of behaviour change in bvFTD and FTD-ALS
| Group | FrSBe | Self-report | Informant report | Wilcoxon | |
| Domain | Median (range) | Median (range) | Z | P value | |
| bvFTD | Apathy | 1 (−2–29) | 38 (5–52) | −3.4 | 0.001** |
| Disinhibition | 0 (−8–31) | 19 (3–57) | −3.4 | 0.001** | |
| Executive | 8 (−2–29) | 41 (3–64) | −3.4 | 0.001** | |
| FTD-ALS | Apathy | 9 (0–27) | 26.5 (9–34) | −1.7 | 0.09 |
| Disinhibition | 3.5 (−1–14) | 13 (−2–17) | −1.9 | 0.06 | |
| Executive | 8 (0–24) | 14 (8–38) | −1.3 | 0.21 | |
**p<0.01.
ALS, amyotrophic lateral sclerosis; bvFTD, behavioural variant FTD; FrSBe, Frontal Systems Behaviour Scale; FTD, frontotemporal dementia.