Table 2.
Performance on the DRS-2, FAB, and BNT
| Measure | Mean score | % Impaired at 5th percentile | % Impaired at 1st percentile |
|---|---|---|---|
| DRS-2 test/subtest | |||
| Total score | 124.5 (11.9) | ||
| 4.69 (3.3) | 51.0 | 25.7 | |
| Attention | 34.77 (2.3) | ||
| 9.9 (2.6) | 7.5 | 3.0 | |
| Initiation/perseveration | 28.50 (5.9) | ||
| 5.2 (2.9) | 55.4 | 36.1 | |
| Construction | 4.73 (1.5) | ||
| 7.3 (2.9) | 33.2 | 18.3 | |
| Conceptualization | 34.21 (3.8) | ||
| 8.4 (2.5) | 8.4 | 2.5 | |
| Memory | 22.33 (2.7) | ||
| 8.7 (2.9) | 17.4 | 3.5 | |
| FAB | 12.75 (2.9) | ||
| 0.27 (8.4) | 73.9 | 59.9 | |
| BNT | 50.60 (9.5) | ||
| 9.5 (4.0) | 18.3 | 10.4 |
Note. DRS = Dementia Rating Scale, FAB = Frontal Assessment Battery, BNT = Boston Naming Test. In each cell, the top row are raw scores and the bottom row are normatively corrected scale scores (mean and standard deviation in parentheses).