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

Table 4

Comparison of diffusion tensor parameters and consciousness disorders.

Diffusion parameters	First scan		Second scan		values
	Mean	Standard deviation	Mean	Standard deviation
Kohnan score	58.86	12.30	48.71	22.69	0.001
GSCE	2.14	0.36	2.29	0.47	0.157
Fractional anisotropy	0.24	0.03	0.22	0.02	0.006
Number of voxels with a fractional anisotropy value greater than 0.4 in the whole brain	43715.14	20913.55	33036.07	10413.59	0.003
Mean diffusivity (MD) [×10^−3 mm^2/s]	1.47	0.15	1.47	0.01	0.993
Axial diffusivity (AD) [×10^−3 mm^2/s]	1.82	0.18	1.79	0.15	0.506
Radial diffusivity (RD) [×10^−3 mm^2/s]	1.30	0.14	1.31	0.13	0.65

Wilcoxon rank test.