Table 2:

ROI analysis and tract-specific analysis of FA values in patients with iNPH and control subjectsa

iNPH (n = 20)Controls (n = 20)
ROI analysis
Corpus callosum:
    a) Genu0.71 ± 0.070.78 ± 0.06
    b) Anterior third of body0.58 ± 0.070.64 ± 0.06
    c) Posterior third of body0.55 ± 0.09b0.69 ± 0.06
    d) Splenium0.68 ± 0.11b0.78 ± 0.05
    e) Juxtacortical WM in frontal lobe0.50 ± 0.03b/0.50 ± 0.04b0.61 ± 0.04/0.62 ± 0.04
    f) Juxtacortical WM in parietal lobe0.44 ± 0.04b/0.44 ± 0.05b0.58 ± 0.04/0.56 ± 0.06
    g) WM around posterior horn of lateral ventricle0.27 ± 0.07b/0.27 ± 0.06b0.39 ± 0.07/0.34 ± 0.05
    h) WM around anterior horn of lateral ventricle0.25 ± 0.07b/0.24 ± 0.07b0.36 ± 0.06/0.32 ± 0.06
    i) Anterior limbs of internal capsule0.49 ± 0.05/0.49 ± 0.030.48 ± 0.04/0.49 ± 0.05
    j) WM around posterior horn of lateral ventricle0.48 ± 0.03b/0.48 ± 0.03b0.60 ± 0.05/0.61 ± 0.04
    k) WM in temporal lobe0.51 ± 0.04/0.51 ± 0.030.52 ± 0.04/0.52 ± 0.03
Tract-specific analysis
    Area 10.41 ± 0.04b/0.41 ± 0.03b0.45 ± 0.03/0.46 ± 0.03
    Area 20.53 ± 0.06b/0.55 ± 0.05b0.43 ± 0.04/0.44 ± 0.05
    Area 30.69 ± 0.04b/0.71 ± 0.04b0.62 ± 0.05/0.65 ± 0.05
    Area 40.60 ± 0.05/0.62 ± 0.050.58 ± 0.05/0.61 ± 0.04
  • Note:—ROI indicates region of interest; WM, white matter.

  • a Values are presented as right/left.

  • b P < .001, unpaired Student t test.