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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