Table 1 Fractional anisotropy and apparent diffusion coefficient values in patients with Parkinson’s disease and in controls
PDControlsp Value
Fractional anisotropy
    Caudate0.259 (0.172, 0.356)0.251 (0.180, 0.364)0.121
    Globus pallidus0.334 (0.273, 0.525)0.335 (0.266, 0.510)0.990
    Putamen0.262 (0.166, 0.358)0.255 (0.193, 0.442)0.056
    Substantia nigra0.403 (0.314, 0.488)0.415 (0.347, 0.487)0.001*
    Thalamus0.333 (0.268, 0.417)0.328 (0.259, 0.419)0.601
Apparent diffusion coefficient
    Caudate6.961 (6.061, 8.111)6.989 (5.766, 8.4040.664
    Globus pallidus6.570 (4.060, 8.488)6.482 (4.686, 7.860)0.438
    Putamen6.658 (5.965, 8.789)6.700 (4.846, 8.840)0.953
    Substantia nigra7.342 (5.965, 8.661)7.157 (6.385, 8.573)0.131
    Thalamus7.375 (6.589, 8.849)7.369 (6.553, 9.022)0.907
  • PD, Parkinson’s disease.

  • Values are median (range).

  • *p<0.05.