at the limit of significancep = 0.059
In the left pre-frontal area, the Cho/Cr values trended to be lower in the pHSP subjects compared to the HC group, but the difference was statistically at the limit of significance (0.79 ± 0.13 vs. 0.71 ± 0.11; p = 0.059, after adjustment for sex and age at T 0 ).