Neuropsychologic data
| Variables | sd-aMCI | md-aMCI | sd-fMCI | sd-aMCI Compared with md-aMCI | sd-aMCI Compared with sd-fMCI | md-aMCI Compared with sd-fMCI |
|---|---|---|---|---|---|---|
| Attention | ||||||
| WAIS-R; Code | 63.1 ± 11.4 | 55.0 ± 13.1 | 53.0 ± 12.8 | .01461 (NS) | .1458 (NS) | .3150 (NS) |
| Trail-Making Test A (s) | 35.7 ± 7.3 | 47.9 ± 18.1 | 45.0 ± 11.3 | .001 (S) | .151 (NS) | .4354 (NS) |
| Working Memory | ||||||
| Verbal (Digit) | 6.8 ± 2.2 | 6.1 ± 1.6 | 7.0 ± 1.8 | .233 (NS) | .839 (NS) | .135 (NS) |
| Visuospatial (Corsi) | 5.7 ± 1.4 | 4.4 ± 1.4 | 5.9 ± 1.1 | .008 (NS) | .246 (NS) | .0015 (S) |
| Episodic Memory | ||||||
| Verbal (Buschke 48) | ||||||
| Total score | 19.2 ± 4.2 | 23.63 ± 6.0 | 24.62 ± 2.3 | .0004 (S) | .0003 (S) | .201 (NS) |
| Immediate recall | 38.0 ± 5.2 | 37.3 ± 3.4 | 39.5 ± 3.9 | .720 (NS) | .376 (NS) | .230 (NS) |
| Differed cued recall | 18.4 ± 3.7 | 23.6 ± 6.4 | 24.6 ± 2.3 | .163 (NS) | .395 (NS) | .900 (NS) |
| Intrusions | 3.8 ± 3.5 | 4.0 ± 2.9 | 3.6 ± 4.9 | .501 (NS) | .597 (NS) | .202 (NS) |
| Visual (Shapes) | 11.8 ± 0.7 | 11.0 ± 1.5 | 12.0 ± 0.0 | .147 (NS) | .443 (NS) | .049 (NS) |
| Executive functions | ||||||
| Trail-Making Test B (s) | 54.2 ± 14.3 | 90.3 ± 41.0 | 96.50 ± 41.3 | .000032 (S) | .00015 (S) | .33006 (NS) |
| Verbal Fluency | 22.7 ± 6.9 | 22.5 ± 7.1 | 21.2 ± 6.1 | .798 (NS) | .335 (NS) | .709 (NS) |
| Wisconsin | 5.6 ± 2.1 | 4.7 ± 1.8 | 4.0 ± 2.5 | .104 (NS) | .049 (NS) | .407 (NS) |
| Language (Boston) | 19.4 ± 0.8 | 19.1 ± 0.9 | 19.6 ± 0.7 | .157 (NS) | .570 (NS) | .055 (NS) |
| Visual gnosis (Ghent) | 5.0 ± 0.0 | 5.0 ± 0.0 | 5.0 ± 0.0 | .500 (NS) | .500 (NS) | .500 (NS) |
| Standardized praxies | ||||||
| Ideomotor | 19.1 ± 1.0 | 18.9 ± 1.3 | 19.2 ± 1.1 | .188 (NS) | .148 (NS) | .919 (NS) |
| Reflexive | 7.7 ± 0.5 | 7.0 ± 1.0 | 6.9 ± 0.9 | .0161 (NS) | .0139 (NS) | .2942 (NS) |
| Constructional | 9.6 ± 0.9 | 9.1 ± 1.2 | 3.4 ± 0.5 | .806 (NS) | .371 (NS) | .499 (NS) |
Note:—Data are presented as mean ± SD. sd-fMCI, n = 13; sd-aMCI, n = 18; md-aMCI, n = 35. S and NS refer to the significant and nonsignificant Dunn multiple comparison test adjusted P-value threshold for each demographic and clinical characteristic. Wisconsin: number of completed categories (/6); ideomotor praxis: transitive and intransitive (/30). WAIS-R indicates Wechsler Adult Intelligence Scale-Revised.