highly significantp = 0.0001
The association between follow‐up CSF NfL and follow‐up MRI lesion location 1 year later was still highly significant with infratentorial lesions ( r = 0.633, p = 0.0001, n = 16) and less so with juxtacortical lesions ( r = 0.546, p = 0.029, n = 16).