TABLE 1.
Subject demographics, cognitive performance measures, APOE-Ɛ4 status, and Aβ-positivity
| Parameters | Values |
|---|---|
| Subjects, n | 86 |
| Females, n | 39 |
| Age, mean yr ± SD | 78 ± 8 |
| APOE-Ɛ4 carriers, n | 24 |
| Global [18F]florbetapir uptake, mean SUVR ± SD | 1.2 ± 0.2 |
| Aβ-positive (based on 1.11 cutoff for global florbetapir SUVR) | 38 |
| Objective cognitive performance tests (mean ± SD) | |
| MMSE | 28± 2 |
| ADAS-cog | 8±4 |
| ADNI-MEM | 0.9 ±0.6 |
| ADNI-EF | 0.9±0.8 |
| Self-reported ECog measures (mean ± SD) | |
| Everyday Memory | 1.7±0.5 |
| Everyday Language | 1.5± 0.5 |
| Everyday Visuospatial Abilities | 1.0 ±0.3 |
| Everyday Planning | 1.2 ±0.4 |
| Everyday Organization | 1.3± 0.4 |
| Everyday Divided Attention | 1.5 ±0.6 |