Table 1 Demographic characteristics and whole brain volume measures for the study groups (mean ± SD).
| Â | AD (N = 24) | Control (N = 23) | ||
|---|---|---|---|---|
| Â | Mean (SD) | Range | Mean (SD) | Range |
Age (y) | 20.79 (10.58) | 7.8–44 | 21.41 (10.91) | 7.8–44 |
Education (y) | 10.42 (3.43) | 6–16 | 12.09 (5.06) | 6–20 |
VIQ* | 94.96 (20.98) | 55–134 | 118.00 (13.18) | 92–134 |
PIQ* | 95.67 (18.84) | 62–128 | 115.73 (9.57) | 100–138 |
FSIQ* | 94.75 (20.64) | 60–133 | 118.74 (11.18) | 99–139 |
Total Gray Matter (ml) | 758.92 (62.63) | 650–895 | 771.95 (60.28) | 617–901 |
Total White Matter (ml) | 444.10 (50.83) | 357–553 | 463.32 (44.99) | 359–570 |
Brain/Intracranial ratio | .68 (.03) | .61–.72 | .67 (.04) | .57–.71 |