Table 3.
Performance of MCI and AD patients on neuropsychological tests
| Cognitive test | Group | Median | Mean rank | p value |
|---|---|---|---|---|
| Semantic memory | ||||
| Information | MCI | 12.0 | 13.5 | |
| AD | 4.0 | 7.6 | 0.03 | |
| Visuospatial/executive function | ||||
| Clock Drawing | MCI | 5.0 | 13.2 | |
| AD | 4.0 | 8.1 | 0.05 | |
| CF, copying, points | MCI | 31.5 | 13.5 | |
| AD | 24.0 | 7.6 | 0.03 | |
| Executive and psychomotor function | ||||
| FAS, totally | MCI | 25.0 | 12.1 | |
| AD | 13.0 | 9.6 | n.s. | |
| DF, no correct | MCI | 26.0 | 14.2 | |
| AD | 2.0 | 6.7 | 0.006 | |
| DF, no figurative | MCI | 2.0 | 11.1 | |
| AD | 1.0 | 10.8 | n.s. | |
| TMT A, connections | MCI | 24.0 | 12.1 | |
| AD | 24.0 | 9.6 | n.s. | |
| TMT B, connections | MCI | 22.5 | 12.8 | |
| AD | 7.0 | 7.1 | 0.03 | |
| Short-term memory | ||||
| Digit Span F, total sum | MCI | 10.0 | 11.8 | |
| AD | 9.0 | 9.9 | n.s. | |
| Digit Span B, total sum | MCI | 7.0 | 13.3 | |
| AD | 6.0 | 7.9 | 0.05 | |
| Verbal episodic memory | ||||
| RAVLT, learning, no words | MCI | 24.0 | 13.5 | |
| AD | 14.0 | 7.6 | 0.03 | |
| RAVLT, learning, no repetitions | MCI | 0.50 | 13.0 | |
| AD | 0.00 | 8.4 | 0.05 | |
| RAVLT, learning, no confabulations | MCI | 0.50 | 11.8 | |
| AD | 0.00 | 9.9 | n.s. | |
| RAVLT, recall, no words | MCI | 5.0 | 13.1 | |
| AD | 0.00 | 5.7 | 0.003 | |
| RAVLT, recall, repetitions | MCI | 0.00 | 10.0 | |
| AD | 0.00 | 10.0 | n.s. | |
| Recall of testing tasks | MCI | 4.5 | 14.3 | |
| AD | 0.00 | 6.7 | 0.005 | |
| Visuospatial episodic memory | ||||
| CF, recall, points | MCI | 7.5 | 13.8 | |
| AD | 2.0 | 7.2 | 0.02 | |
Medians, mean ranks and differences between mean ranks between MCI and AD are shown. CF = Rey-Osterrieth Complex Figure; Digit Span F = forward; Digit Span B = backward.