Sexual dimorphism
| Male, mean (SD) | Female, mean (SD) | Difference, M > F (%) | p value | p value, ICV controlled a | |
|---|---|---|---|---|---|
| Birth weight (g) | 3587.7 (465.5) | 3278.7 (407.7) | 9.42 | 0.0036 | NA |
| ICV (mm3) | 525,524 (58,637) | 487,378 (41,848) | 7.83 | 0.0023 | NA |
| Hem GM (mm3) | 218,212 (28,693) | 197,945 (197,944) | 10.24 | 0.0012 | 0.2734 |
| Hem umWM (m3) | 163,987 (18,420) | 154,146 (15,745) | 6.38 | 0.0169 | 0.8365 |
| Subcort GM (mm3) | 24,390 (4229) | 22,628 (2823) | 7.79 | 0.0423 | 0.5868 |
| Lat ventricle (mm3) | 2927 (2054) | 2771 (3944) | 5.67 | 0.8277 | 0.3553 |
| Cerebellum (mm3) | 28,227 (4050) | 26,893 (3156) | 4.96 | 0.1235 | 0.6712 |
Hem, Hemispheric; Subcort, subcortical; GM, gray matter; umWM, unmyelinated white matter; Lat; lateral; M, male; F, female; NA, not applicable.
↵ aPaired t test.