Table 3.
Demographic, Neuropsychological, and Biomarker characteristics of CN Aβ− and AD Aβ+ groups.
| CN Aβ− Group | AD Aβ+ Group | |
|---|---|---|
| N | 22 | 30 |
| Sex | ||
| Male N (%) | 13 (59.1%) | 11 (36.7%) |
| Female N (%) | 9 (40.9%) | 19 (63.3%) |
| Age | ||
| M (SD) | 79.41 (4.53) | 80.60 (4.43) |
| Range | 73–86 | 70–87 |
| MMSE | ||
| M (SD) | 29.36 (1.00) | 18.55 (5.15) |
| Range | 27–30 | 10–28 |
| FSIQ | ||
| M (SD) | 108.05 (7.66) | 101.11 (8.85) |
| Range | 87–118 | 86–115 |
| CDR SOB | ||
| M (SD) | 0.09 (0.33) | 5.57 (3.12) |
| Range | 0–1.5 | 1–17 |
| HADS depression | ||
| M (SD) | 2.43 (1.95) | 5.30 (3.75) |
| Range | 0–6 | 1–19 |
| PET PiB SUVR | ||
| M (SD) | 1.12 (0.06) | 2.24 (0.31) |
| Range | 1.02–1.23 | 1.73–3.11 |
MMSE, Mini-Mental State Examination; FSIQ, Full-Scale IQ; CDR SOB, Clinical Dementia Rating Sum of Box; HADS depression, Hospital Anxiety and Depression Scale – depression subscale; PET PiB SUVR, Positron Emission Tomography Pittsburgh Compound-B Standardised Uptake Value Ratio.