A study of diffusion tensor imaging of median nerve in diabetic peripheral neuropathy

Table 1 Comparison of DTI parameters among patients and healthy volunteers

DTI parameter		Patients (n = 30)	Healthy volunteers (n = 15)	P value
DTI parameter		Mean ± SD	Mean ± SD	P value
FA	Proximal segment	0.49 ± 0.05	0.51 ± 0.10	0.357
	Distal segment	0.42 ± 0.04	0.46 ± 0.05	0.016*
	Whole nerve	0.44 ± 0.09	0.52 ± 0.12	0.024*
ADC	Proximal segment	1.196 ± 0.199	1.070 ± 0.112	0.027*
	Distal segment	1.379 ± 0.209	1.149 ± 0.064	0.000**
	Whole nerve	1.267 ± 0.206	1.111 ± 0.194	0.019*

ADC apparent diffusion coefficient, DTI diffusion tensor imaging, FA fractional anisotropy
*Significant at P < 0.05
**Significant at P < 0.01