Table 1.
Demographic features and cognitive performance
| Total N | 44 |
|---|---|
| Female: N (%) | 27 (61%) |
| Parental family history AD: N (%) | 25 (56%) |
| APOE4 positive: N (%) | 20 (45%) |
| Baseline age: years, SD (range) | 56.3 ± 6.9 (42–75) |
| Baseline education: years, SD (range) | 15.9 ± 2.4 (12–20) |
| Time from baseline scan to follow‐up: years, SD (range) | 3.48 ± 0.88 (2.17–4.92) |
| MMSE: mean, SD | 29.6 ± 0.66 |
| WRAT‐III reading: mean, SD | 52.2 ± 3.5 |
| BVMT‐R total: mean, SD | 24.9 ± 7.1 |
| BVMT‐R delayed recall: mean, SD | 9.7 ± 2.0 |
| RAVLT delayed recall: mean, SD | 10.7 ± 2.9 |
| Digit span: mean, SD | 18.0 ± 3.4 |
| TMT A: mean, SD | 28.4 ± 8.5 |
| TMT B: mean, SD | 58.7 ± 20.9 |
| BNT: mean, SD | 56.0 ± 7.8 |
All neuropsychological scores reported above are raw scores. AD: Alzheimer's disease; APOE4: apolipoprotein E, ε4; BNT: Boston Naming Test (Kaplan et al., 2001); BVMT‐R: brief visuospatial memory test‐revised (Benedict, 1997); digit span (from WAIS‐III) (Wechsler, 1987); MMSE: mini mental state examination (Folstein et al., 1975); RAVLT: rey auditory verbal learning test (Rey, 1964); TMTA/B: trail making test A and B (Reitan, 1993); WRAT‐III: wide range achievement Test‐III reading subtest (Jastak, 1993).