Table 1.

Two-Week Cross-Sectional Diffusion Tensor Imaging of Patients with Mild Traumatic Brain Injury and Controls

Tract	Fractional Anisotropy			Axial Diffusivity 10−3 mm2/sec			Mean Diffusivity 10−3 mm2/sec			Radial Diffusivity 10−3 mm2/sec
	mTBI	Controls	Cohen d	mTBI	Controls	Cohen d	mTBI	Controls	Cohen d	mTBI	Controls	Cohen d
Global	0.430 ± 0.026	0.434 ± 0.026	0.164	1.105 ± 0.046	1.086 ± 0.050	-0.394**	0.732 ± 0.030	0.715 ± 0.037	-0.537**	0.545 ± 0.029	0.531 ± 0.035	-0.442**
GCC	0.676 ± 0.039	0.656 ± 0.049	-0.437**	1.519 ± 0.071	1.451 ± 0.083	-0.878**	0.769 ± 0.049	0.754 ± 0.046	-0.328**	0.399 ± 0.055	0.404 ± 0.057	0.101
BCC	0.642 ± 0.037	0.646 ± 0.041	0.110	1.566 ± 0.062	1.496 ± 0.078	-0.995**	0.831 ± 0.047	0.796 ± 0.049	-0.712**	0.467 ± 0.055	0.441 ± 0.055	-0.465**
SCC	0.757 ± 0.034	0.753 ± 0.033	-0.119	1.530 ± 0.054	1.474 ± 0.067	-0.917**	0.719 ± 0.042	0.699 ± 0.039	-0.513**	0.315 ± 0.050	0.309 ± 0.044	-0.109
ALIC	0.549 ± 0.033	0.545 ± 0.033	-0.125	1.224 ± 0.067	1.147 ± 0.077	-1.066**	0.716 ± 0.040	0.681 ± 0.034	-0.947**	0.467 ± 0.041	0.444 ± 0.028	-0.655**
PLIC	0.666 ± 0.031	0.678 ± 0.032	0.367**	1.305 ± 0.075	1.236 ± 0.075	-0.926**	0.681 ± 0.038	0.643 ± 0.039	-0.998**	0.372 ± 0.035	0.342 ± 0.036	-0.843**
ACR	0.461 ± 0.032	0.457 ± 0.032	-0.125	1.139 ± 0.060	1.094 ± 0.067	-0.694**	0.727 ± 0.037	0.706 ± 0.038	-0.543**	0.525 ± 0.038	0.509 ± 0.035	-0.435**
SCR	0.481 ± 0.027	0.486 ± 0.027	0.173	1.101 ± 0.060	1.039 ± 0.060	-1.019**	0.691 ± 0.036	0.657 ± 0.035	-0.965**	0.490 ± 0.035	0.462 ± 0.032	-0.869**
PTR	0.570 ± 0.040	0.581 ± 0.036	0.294*	1.328 ± 0.054	1.278 ± 0.067	-0.812**	0.768 ± 0.039	0.736 ± 0.043	-0.780**	0.489 ± 0.047	0.461 ± 0.045	-0.615**
EC	0.406 ± 0.037	0.398 ± 0.034	-0.247	1.139 ± 0.047	1.075 ± 0.059	-1.209**	0.771 ± 0.031	0.739 ± 0.036	-0.944**	0.590 ± 0.040	0.567 ± 0.038	-0.591**
CGC	0.509 ± 0.044	0.504 ± 0.042	-0.109	1.221 ± 0.065	1.151 ± 0.080	-0.953**	0.746 ± 0.041	0.711 ± 0.044	-0.816**	0.511 ± 0.048	0.488 ± 0.046	-0.495**
SLF	0.478 ± 0.029	0.480 ± 0.028	0.079	1.104 ± 0.042	1.054 ± 0.052	-1.040**	0.701 ± 0.026	0.673 ± 0.031	-0.951**	0.502 ± 0.032	0.479 ± 0.032	-0.705**
SFO	0.445 ± 0.036	0.454 ± 0.035	0.268*	1.040 ± 0.068	0.983 ± 0.076	-0.798**	0.671 ± 0.045	0.637 ± 0.044	-0.770**	0.492 ± 0.045	0.459 ± 0.040	-0.762**
PCR	0.467 ± 0.029	0.471 ± 0.030	0.133	1.179 ± 0.043	1.127 ± 0.063	-0.969**	0.755 ± 0.031	0.726 ± 0.042	-0.812**	0.546 ± 0.035	0.521 ± 0.041	-0.655**
SS	0.515 ± 0.036	0.522 ± 0.036	0.183	1.271 ± 0.055	1.219 ± 0.068	-0.845**	0.777 ± 0.033	0.746 ± 0.039	-0.874**	0.533 ± 0.040	0.505 ± 0.041	-0.678**

mTBI, mild traumatic brain injury; GCC, genu of the corpus callosum; BCC, body of the corpus callosum; SCC, splenium of the corpus callosum; ALIC, anterior limb of the internal capsule; PLIC, posterior limb of the internal capsule; ACR, anterior corona radiata; SCR, superior corona radiata; PTR, posterior thalamic radiation; EC, external capsule; CGC, dorsal cingulate bundle; SLF, superior longitudinal fasciculus; SFO, superior fronto-occipital fasciculus; PCR, posterior corona radiata; SS, sagittal stratum.

Bold: p < 0.05; ^*p < 0.01; ^**p < 0.001.

Diffusion tensor imaging metric values: mean ± standard deviation; Cohen d is positive for Controls > mild traumatic brain injury.