Table 1.
Demographics.
| CU | MCI | AD dementia | |
|---|---|---|---|
| N | 372 | 554 | 141 |
| Sex (M/F) | 196/176 | 241/313 | 59/82 |
| Age (y) | 73.6 (5.8) | 71.9 (7.4) | 74.4 (8.2) |
| Education (y) | 16.6 (2.6) | 16.1 (2.7) | 15.7 (2.7) |
| APOE ε4 (−−/− +/++) | 267/98/7 | 290/209/55 | 46/66/29 |
| Baeline Aβ‐status (−/+) | 245/127 | 243/311 | 16/125 |
| Baseline P‐tau181 (ng/L) | 15.2 (8.6) | 18.4 (10.5) | 22.8 (8.5) |
| Baseline temporal cortical thickness (mm) | 2.82 (0.15) | 2.76 (0.19) | 2.53 (0.22) |
| Baseline FDG‐PET (SUVR) | 1.31 (0.11) | 1.25 (0.14) | 1.07 (0.15) |
| Nr of P‐tau181 measures (median [IQR]) | 3 (2–4) | 4 (3–5) | 2 (1–2) |
| Duration from first to last P‐tau181 measure (y) (median [IQR]) | 2.05 (1.98–3.97) | 3.01 (2.00–3.99) | 0.99 (0.00–1.05) |
| Nr of MRI scans (median [IQR]) | 5 (4–6) | 5 (4–6) | 4 (4–4) |
| Duration from first to last MRI scan (y) (median [IQR]) | 2.07 (1.98–4.00) | 2.12 (1.98–4.00) | 1.02 (0.98–1.95) |
| Nr of FDG‐PET scans (median [IQR]) | 2 (1–2) | 2 (1–2) | 1 (1–1) |
| Duration from first to last FDG‐PET (y) (median [IQR]) | 1.95 (0.00–2.03) | 1.99 (0.00–3.97) | 0.00 (0.00–0.00) |
Continuous data are mean (standard deviation).