TABLE 6.

Statistical analysis of DTI data parameters.

DTI Parameter		Above the operating area	Operation area	Below the operating area
FA (mean ± SD)	Before surgery	0.39 ± 0.10	0.28 ± 0.03	0.29 ± 0.04
	One month after surgery	0.47 ± 0.12	0.34 ± 0.05	0.33 ± 0.05
	p-value	0.0201*	0.0013**	0.0080**
ADC (mean ± SD)
	Before surgery	2.69 ± 0.74	2.55 ± 0.74	2.65 ± 0.84
	One month after surgery	2.11 ± 0.72	1.74 ± 0.27	1.98 ± 0.24
	p-value	0.0131*	0.0057**	0.0239*

*p < 0.05.

DTI, Diffusion Tensor Imaging; FA, Fractional anisotropy; ADC, Apparent diffusion coefficient.