Table 1.
Participant characteristics.
| Children (C) | Adolescents (AS) | Adults (AD) | Statistics | |
|---|---|---|---|---|
| N | 110 | 133 | 146 | - |
| Age range (years) | 3–10 | 11–19 | 20–42 | - |
| Mean age (years ± sd) | 7.53 ± 2.15 | 14.42 ± 2.29 | 28.98 ± 6.67 | - |
| Sex (M:F) | 62:48 | 71:62 | 90:56 | χ2 = 2.00, p = .37 |
| Mean FD (mm, ± sd) | 0.14 ± 0.03 | 0.12 ± 0.03 | 0.11 ± 0.03 | F = 14.49, p < .001 (C > AS, C > AD) |
| Scanner (pre:post) | 73:37 | 101:32 | 113:33 | χ2 = 4.44, p = .11 |
| Left Caudate ROI (mm3) | 949.09 ± 481.82 | 756.21 ± 341.35 | 668.71 ± 363.59 | F = 16.24, p < .001 (C > AS, C > AD) |
| Right Caudate ROI (mm3) | 967.42 ± 510.37 | 740.87 ± 347.94 | 678.36 ± 431.77 | F = 15.07, p < .001 (C > AS, C > AD) |
| Left Putamen ROI (mm3) | 761.96 ± 418.08 | 558.44 ± 290.49 | 526.19 ± 303.08 | F = 17.32, p < .001 (C > AS, C > AD) |
| Right Putamen ROI (mm3) | 777.02 ± 405.01 | 576.42 ± 259.84 | 528.60 ± 292.19 | F = 20.57, p < .001 (C > AS, C > AD) |