Table 1.
Demographic and neuropsychological data (mean, SD) for the two age groups.
| Young–old (n = 17) | Old–old (n = 16) | |
|---|---|---|
| Age∗∗ | 66.1 (3.3) | 79.4 (2.1) |
| Years of education | 13.7 (1.9) | 12.5 (2.4) |
| Mini Mental State Examination | 28.0 (1.8) | 27.4 (2.0) |
| Trail Making Test A∗∗ | 55.1 (12.2) | 82.5 (20.3) |
| Trail Making Test B∗∗ | 92.8 (36.0) | 131.8 (27.8) |
| WMS-R1 Logical Memory I composite score2 | 21.0 (6.1) | 17.8 (4.6) |
| WMS-R1 Logical Memory II composite score2 | 16.6 (6.3) | 13.5 (4.5) |
1Wechsler Memory Scale Revised. ∗∗P < 0.01. 2Group means (SD) provided in Kawano (2012), corresponding to the mean age of young–old and old–old groups, were as follows: young–old, Logical Memory I = 21.3 (7.1); II = 16.3 (6.8) and old–old, I = 17.0 (6.0); II = 11.9 (6.6).