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Characteristics of the study cohort.
| Characteristics | MCI (n = 14,269) | Progressed to dementia (n = 2501) |
|---|---|---|
| Age, Mean (SD), years | 69.9 (9.3) | 74.0 (7.3) |
| Sex, No. (%) | ||
| Female | 8170 (57.2) | 1409 (56.3) |
| Race, N (%) | ||
| White | 6649 (46.6) | 1250 (50.0) |
| Black | 1130 (7.9) | 211 (8.4) |
| Asian | 460 (3.2) | 68 (2.7) |
| Others | 2320 (16.3) | 382 (15.3) |
| Unknown | 3710 (26.0) | 590 (23.9) |
| Conversion time, days | 511 (MCI lasts) | 742 |
