Table 2.
Results of repeated-measures ANOVA on the baseline levels of neurometabolites
| df | Statistic | p value | |
|---|---|---|---|
| Baseline GABA+ | |||
| Age group | 1,44 | 20.938 | <0.001 *** |
| VOI | 1,44 | 75.325 | <0.001 *** |
| Age group × VOI | 1,44 | 1.5 | 0.23 |
| Baseline Glxa | |||
| Age group | 1 | 0.02 | 0.90 |
| VOI | 1 | 115.41 | <0.001 *** |
| Age group × VOI | 1 | 0.21 | 0.64 |
Values shown in bold indicate statistically significant results.
a
As the MRS-assessed Glx levels were not normally distributed, nonparametric test (Wald statistic) was used. VOI, volume of interest.
***
p ≤ 0.001.