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
 Male5.6–13.9; 9.81 ± 3.01
 Female8.1–13.1; 10.61 ± 1.76
Race (No.)
 Black/African-American4
 White16
 >1 race3
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+/Cr0.073–0.120; 0.102 ± 0.011
 GSHH2O (i.u.)1.07–1.92; 1.50 ± 0.24
 GSH/Cr0.036–0.058; 0.05 ± 0.006
  • a Data are minimum–maximum; mean ± SD.