Neuropsychological characteristics of the subjects (univariate analysis, log rank test)
| Neuropsychological variable (median) | Non-demented group n = 62 | Demented group n = 19 | p Value |
|---|---|---|---|
| Comprehension (16) | 17.2 (6.2) | 13.4 6.2 | 0.004 |
| Arithmetic (9) | 9.7 (4.7) | 8.9 (3.7) | 0.57 |
| Similarities (15) | 12.7 (7.9) | 9.8 (7.7) | 0.12 |
| Vocabulary (40) | 38.8 (14.6) | 39.5 (15.6) | 0.8 |
| Completion (9) | 9.8 (5.2) | 4.6 (4.6) | 0.0005 |
| Block design (14) | 17.6 (10.0) | 7.2 (8.5) | 0.004 |
| Arrangement (2) | 5.2 (4.3) | 2.4 (2.7) | 0.002 |
| Span (9) | 9.1 (1.8) | 9.1 (1.5) | 0.77 |
| Logical memory (7.5) | 8.0 (3.6) | 6.1 (2.5) | 0.009 |
| Associates (13.5) | 13.6 (5.5) | 11.4 (4.8) | 0.37 |
| Visual memory (7) | 7.5 (4.0) | 4.7 (3.5) | 0.03 |
| Stroop A (80) | 82.1 (23.9) | 55.0 (21.9) | 0.0001 |
| Stroop B (52) | 55.1 (17.6) | 34.6 (16.2) | 0.0002 |
| Stroop C (21) | 25.9 (12.3) | 13.6 (10.3) | 0.0002 |
| WCST series (3) | 3.8 (2.3) | 2.2 (1.9) | 0.02 |
| WCST errors (16) | 16.0 (10.4) | 22.5 (10.2) | 0.11 |
| WCST perseveratives (7) | 6.6 (5.7) | 11.1 (8.7) | 0.12 |
| Benton line orientation (24) | 23.1 (6.7) | 17.4 (10.3) | 0.34 |
| Fluency animals (16) | 17.1 (6.4) | 12.0 (5.5) | 0.01 |
| Fluency letter M (9) | 10.1 (5.6) | 6.4 (4.5) | 0.01 |
| Odd man out (25) | 26.5 (7.6) | 22.4 (7.2) | 0.003 |
| 15 objects (12) | 11.5 (2.9) | 9.9 (3.3) | 0.01 |
| Orientation (10) | 9.5 (0.8) | 9.2 (0.8) | 0.21 |
Results are presented as mean (SD).