Age (years) | 13.3 (SD: 3.6) | 13.2 (SD: 3.5) | p = 0.892 |
Prepubertal | 11.0 (SD: 2.3) | 10.2 (SD: 2.0) | p = 0.014* |
Postpubertal | 16.8 (SD: 2.3) | 15.6 (SD: 2.5) | p = 0.002* |
Pubertal stage | 2.3 (SD: 1.4) | 2.9 (SD: 1.5) | p < 0.0001* |
Prepubertal | 1.3 (SD: 0.5) | 1.4 (SD: 0.5) | p = 0.124 |
Postpubertal | 4.0 (0.8) | 4.2 (SD: 0.7) | p = 0.066 |
Handedness | R = 131; L = 22 | R = 204; L = 11 | p = 0.006* |
Prepubertal | R = 76; L = 17 | R = 89; L = 6 | p = 0.027* |
Postpubertal | R = 55; L = 5 | R = 115; L = 5 | p = 0.250 |
Total brain volume (mm3) | 1 366 528.8 (SD: 103 066.7) | 1 216 609.8 (SD: 106 716.5) | p < 0.0001* |
Prepubertal | 1 377 442.4 (96 250.8) | 1 245 476.6 (104 898.8) | p < 0.0001* |
Postpubertal | 1 349 612.7 (111 545.7) | 1 193 516.3 (102 864.8) | p < 0.0001* |
DHEA levels (pg/ml) | 147.3 (SD: 142.2) | 167.1 (SD: 166.1) | p = 0.234 |
Prepubertal | 109.6 (110.0) | 92.9 (110.4) | p = 0.299 |
Postpubertal | 205.8 (165.9) | 226.4 (179.2) | p = 0.457 |
Testosterone levels (pg/ml) | 72.7 (SD: 64.8) | 52.4 (SD: 43.5) | p < 0.0001* |
Prepubertal | 51.5 (SD: 65.3) | 40.6 (SD: 44.7) | p = 0.180 |
Postpubertal | 105.4 (SD: 48.6) | 61.8 (SD: 40.3) | p < 0.0001* |
Collection time (min after midnight) | 686.8 (SD: 131.8) | 702.3 (SD: 142.0) | p = 0.286 |
Prepubertal | 696.2 (SD: 112.6) | 687.9 (SD: 124.8) | p = 0.635 |
Postpubertal | 672.2 (SD: 157.0) | 713.9 (SD: 154.0) | p = 0.091 |