Sample distribution of the pediatric cohort, voxel tissue composition, and metabolite concentrationsa
| Parameters | |
|---|---|
| No. | 23 |
| Sex (male/female) | 12/11 |
| Age (yr) | 5.6–13.9; 10.2 ± 2.5 |
| Male | 5.6–13.9; 9.81 ± 3.01 |
| Female | 8.1–13.1; 10.61 ± 1.76 |
| Race (No.) | |
| Black/African-American | 4 |
| White | 16 |
| >1 race | 3 |
| Voxel tissue composition | |
| Gray matter (%) | 51.7 ± 4.8 |
| White matter (%) | 31.0 ± 3.5 |
| GMratio (%) | 62.5 ± 3.8 |
| Metabolite levels | |
| GABA+H2O (i.u.) | 2.70–4.37; 3.35 ± 0.48 |
| GABA+/Cr | 0.073–0.120; 0.102 ± 0.011 |
| GSHH2O (i.u.) | 1.07–1.92; 1.50 ± 0.24 |
| GSH/Cr | 0.036–0.058; 0.05 ± 0.006 |
a
Data are minimum–maximum; mean ± SD.