Predictors of Recovery from Traumatic Brain Injury-Induced Prolonged Consciousness Disorder

Table 5

Comparison of diffusion tensor parameters in normal healthy participants.

Diffusion parameters	First scan		Second scan		values
	Mean	Standard deviation	Mean	Standard deviation
Fractional anisotropy	0.26	0.07	0.27	0.01	0.13
Number of voxels with a fractional anisotropy value greater than 0.4 in the whole brain	122522.38	17745.24	127124.63	16594.75	0.15
Mean diffusivity (MD) [×10^−3 mm^2/s]	1.01	0.03	0.99	0.05	0.40
Axial diffusivity (AD) [×10^−3 mm^2/s]	1.26	0.03	1.25	0.05	0.23
Radial diffusivity (RD) [×10^−3 mm^2/s]	0.88	0.03	0.09	0.05	0.57

Wilcoxon rank test.