TABLE 2.
Demographics of the Included Cognitively Unimpaired Subjects
| Age Groups (years) | Gender | Neurologically Unimpaired | Cerebrovascular Lesion | Other Brain Disorders* | ||
|---|---|---|---|---|---|---|
| F | M | |||||
| n | n | n | n (%) | n | n | |
| 50–59 | 28 | 8 | 20 | 13 (46) | 10 | 5 |
| 60–69 | 66 | 25 | 41 | 45 (68) | 10 | 11 |
| 70–79 | 89 | 32 | 57 | 57 (64) | 22 | 10 |
| 80–89 | 93 | 36 | 57 | 55 (59) | 30 | 8 |
| ≥90 | 20 | 10 | 10 | 12 (60) | 6 | 2 |
| All subjects (%) | 296 | 111 (38) | 185 (62) | 182 (61) | 78 (26) | 36 (12) |
n, number; F, female; M, male.
*Psychiatric disorders (n = 16), primary or secondary brain tumor (n = 13), brain infection (n = 2), epilepsy (n = 3), and status postbrain trauma (n = 2).