Fig. 2From: A change in brain white matter after shunt surgery in idiopathic normal pressure hydrocephalus: a tract-based spatial statistics studyChanges in left VV/ICV ratio, hemispheric FA, and hemispheric MD after shunt placement. Significance of interaction between shunt effectiveness for clinical improvement and for each index is denoted as follows: *p < 0.05; **p < 0.001Back to article page