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Table 3 Summary of the differences in the DTI metrics between the lesion side and contralateral side of the trigeminal nerve after radiofrequency rhizotomy (N = 37)

From: Diffusion tensor imaging for assessment of microstructural changes associate with treatment outcome at one-year after radiofrequency Rhizotomy in trigeminal neuralgia

  Lesion Mean (SD) Normal Mean (SD) P value
Volume (mm3) 56.4 (25.0) 66.6 (21.8) 0.005*
Fractional anisotropy 0.306 (0.051) 0.338 (0.063) 0.012*
Apparent diffusion coefficient (*10−3) 1.484 (0.190) 1.544 (0.164) 0.075
Axial diffusivity (*10−3) 1.953 (0.244) 2.101 (0.163) 0.001*
Radial diffusivity (*10−3) 1.249 (0.177) 1.265 (0.177) 0.640
  1. P < 0.05 was considered to indicate a significant difference