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Effects of Sex on Total Gray Matter and Frontal Lobe Gray Matter Volume*
| Males with BBS | Control Males | t | P | Females with BBS | Control Females | t | p | |
| Total Gray Matter | 0.622 | 0.606 | 2.09 | 0.039 | 0.604 | 0.611 | 0.958 | 0.346 |
| Frontal Lobe Gray Matter | 0.197 | 0.191 | 2.14 | 0.035 | 0.191 | 0.194 | 1.11 | 0.267 |
*Represent ratios of total gray matter and frontal lobe gray matter to total intracranial volume (ICV)
