Summary of ICV and compartmental volumes
| Volume | Boys | Girls | Average | Increase (%)* | P Value |
|---|---|---|---|---|---|
| By pixel count | |||||
| ICV | 1803 | 1495 | 1639 | 17 | .03 |
| By the model | |||||
| Brain tissue | 741 | 628 | 681 | 15 | .23 |
| CSF and brain tissue | 460 | 355 | 404 | 23 | .03 |
| CSF | 574 | 491 | 530 | 14 | .09 |
| ICV | 1775 | 1474 | 1614 | 17 | .03 |
* In boys versus girls.