Table 2.
Comparison of basal neuropsychological performances between converters and non-converters MCI group subjects.
| Converters X̅ (SD) |
Non converters X̅ (SD) |
t (1,37) | Cohen’s d | |
|---|---|---|---|---|
| MMSE | 25.2 (2.0) | 26.8 (1.6) | 2.48 | 0.88 |
| Temporal Orientation | 3.6 (1.4) | 4.1 (0.9) | 1.14 | 0.37 |
| Memory | ||||
| Total Learning WMS-III | 18.6 (5.5) | 19.9 (3.9) | 0.79 | 0.26 |
| Delayed Recall WMS-III | 1.2 (1.4) | 1.6 (1.4) | 0.78 | 0.25 |
| Recognition WMS-III | 9.2 (2.7) | 8.0 (3.2) | −1.21 | −0.40 |
| Visual mem. RBANS | 2.2 (1.9) | 4.8 (2.5) | 3.68 | 1.21* |
| Visual recog. RBANS | 6.9 (1.8) | 6.4 (2.7) | −0.77 | −0.25 |
| Digit span Forward | 5.0 (1.0) | 5.1 (1.4) | 0.18 | 0.06 |
| Digit span Backward | 3.3 (0.8) | 3.9 (0.9) | 2.03 | 0.67 |
| Praxis | ||||
| Ideomotor | 4.0 (0.2) | 4.0 (0.0) | 0.74 | 0.24 |
| Construction | 3.2 (0.9) | 3.2 (1.2) | 0.16 | 0.05 |
| Imitation | 3.4 (0.9) | 3.4 (0.9) | 0.10 | 0.03 |
| Language | ||||
| 15-item BNT | 13.5 (1.6) | 13.4 (1.8) | −0.16 | −0.05 |
| Visuoperception | ||||
| Poppelreuter (correct) | 9.3 (0.9) | 9.1 (1.1) | −0.42 | −0.14 |
| 15-OT (correct) | 11.1 (2.1) | 11.6 (1.9) | 0.66 | 0.22 |
| Luria’s Clock test | 2.8 (1.0) | 2.7 (0.8) | −0.28 | −0.09 |
| Executive functions | ||||
| SKT seconds | 33.0 (9.0) | 29.8 (6.1) | −1.18 | −0.39 |
| Phonetic Fluency | 11.3 (4.4) | 11.4 (5.0) | 0.05 | 0.02 |
| Semantic Fluency | 10.9 (2.9) | 13.7 (3.1) | 2.79 | 0.92 |
| Abstract Reasoning | 9.4 (3.1) | 9.4 (2.3) | −0.01 | −0.01 |
MMSE: Mini-Mental State Examination; 15-OT: The 15-Objects test; S.E.: Standard error; WMS-III: Wechsler Memory Scale-III; 15-item BNT: 15 items abreviated Boston Naming Test; SKT: Automatic Inhibition subtest of the Syndrom Kurtz Test (number of errors).
*
Statistically significant after Bonferroni’s correction (p≤ 0.002).