Table 1.
Group comparisons on core neuropsychological tests.
| Control mean ± standard deviation | Control n |
FTLD mean ± standard deviation | FTLD n |
p-Value | FTLD ratio number of cases impaired/total | |
|---|---|---|---|---|---|---|
| Addenbrooke's cognitive examination-revised score | 96.5 ± 3.2 | 19 | 63.9 ± 15.35 | 19 | <.0001* | 18/19 |
| Cambridge Semantic Test Battery – naming (64 items) [number correct] | 63.5 ± .61 | 19 | 40.3 ± 17.21 | 17 | <.0001* | 17/17 |
| Cambridge Semantic Test Battery – word to picture matching (64 items) [number correct] | 63.6 ± .60 | 19 | 49.8 ± 13.34 | 18 | <.0001* | 18/18 |
| Visual discrimination [% correct] | 90.6 ± 6.77 | 19 | 92.8 ± 7.05 | 19 | .335n.s. | 1/19 |
| Animal function concept discrimination [% correct] | 93.6 ± 5.07 | 19 | 80.9 ± 12.98 | 19 | .001* | 12/19 |
| Social Concept Discrimination [% correct] | 89.8 ± 4.03 | 19 | 65.7 ± 14.51 | 19 | <.0001* | 16/19 |
| Short-term consequences discrimination [% correct] | 97.4 ± 3.61 | 19 | 90.3 ± 8.75 | 19 | .004* | 10/19 |
| Long-term consequences discrimination [% correct] | 87.2 ± 3.89 | 19 | 75.4 ± 11.82 | 19 | <.0001* | 9/19 |
The number of patients with impairments (<healthy control mean – 2 standard deviations). Naming and word-to-picture naming tasks were taken from the Cambridge Semantic Test Battery (64 items). * marks significance at 2-tailed p < .05. n.s. marks non-significance at 2-tailed p = .05.