Table 2.
Descriptive statistics for bulk volume analysis
| Descriptive Statistics by Karyotype Group | Omnibus test for group differences | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Karyotype (n) | XX (87) | XY (79) | XXX (28) | XXY (56) | XYY (25) | XXYY (19) | XXXXY (5) | F statistic | −log(p) |
| Total brain volume, cm3 | 20.93 | 19.67 | |||||||
| Mean | 1261 | 1392 | 1179 | 1287 | 1418 | 1291 | 1131 | ||
| SEM | 9.74 | 13.8 | 22.8 | 17.8 | 24.9 | 29.7 | 36.1 | ||
| Amygdala, cm3 | 23.78 | 22.15 | |||||||
| Mean | 2.32 | 2.54 | 2.05 | 2.26 | 2.43 | 2.19 | 1.86 | ||
| SEM | 0.02 | 0.03 | 0.04 | 0.03 | 0.06 | 0.05 | 0.06 | ||
| Hippocampus, cm3 | 9.64 | 8.95 | |||||||
| Mean | 4.30 | 4.57 | 3.98 | 4.32 | 4.68 | 4.33 | 3.82 | ||
| SEM | 0.04 | 0.05 | 0.07 | 0.07 | 0.12 | 0.12 | 0.13 | ||