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| Characteristics | |
|---|---|
| N | 57 |
| Sex (M/F) | 33/24 |
| Race (white/AA) | 49/7 |
| Education (yrs) M (SD) | 16.8 (2.5) |
| Age @ PiB (yrs) M (SD) | 78.7 (6.2) |
| Age @ Baseline (yrs) M (SD) | 67.7 (6.1) |
| # of MRI scans M (SD) | 8.5 (0.9) |
| Follow-up Interval (yrs) M (SD) | 8.1 (0.8) |
| Last MRI to PiB Lag (yrs) M (SD) | 2.9 (0.8) |
| MMSE M (SD) | 28.9 (1.5) |
| CDR (# with 0.5) | 6 |
M = males; F = females; AA = African American; M = mean; SD = standard deviation
