Table 1.
DTI Metrics Comparison between Baseline and 72 h Post-injury Measures
| White matter structures | |||||
|---|---|---|---|---|---|
| DTI measures | Treatment | scc | ic | gcc | fi |
| FA (dimensionless) | Baseline | 0.6895 ± 0.0304 | 0.5151 ± 0.0356 | 0.7402 ± 0.04778 | 0.7325 ± 0.0370 |
| mTBI | 0.6869 ± 0.0360 | 0.6531 ± 0.0281 | 0.7508 ± 0.0260 | 0.7757 ± 0.0210 | |
| p = 0.8460 | p = 0.0001* | p = 0.5685 | p = 0.0006* | ||
| MD (mm2 s−1 X 10−6) | Baseline | 1089 ± 21.06 | 885.7 ± 65.63 | 948.1 ± 75.08 | 944.3 ± 64.63 |
| mTBI | 1368 ± 28.57 | 928.5 ± 82.52 | 938.3 ± 64.44 | 870.4 ± 62.07 | |
| p = 0.0063* | p = 0.2066 | p = 0.5089 | p = 0.0047* | ||
| LD (mm2 s−1 X 10−6) | Baseline | 1659 ± 195.8 | 1369 ± 117.8 | 1559 ± 332.3 | 1672 ± 391.3 |
| mTBI | 1683 ± 279.5 | 1300 ± 150.9 | 1293 ± 189.7 | 1289 ± 339.7 | |
| p = 0.7490 | p = 0.0922 | p = 0.0179* | p = 0.0069* | ||
| RD (mm2 s−1 X 10−6) | Baseline | 589.9 ± 337.3 | 644.3 ± 138.6 | 642.7 ± 232.6 | 580.2 ± 109.1 |
| mTBI | 121.1 ± 331.0 | 742.7 ± 128 | 762.2 ± 104.4 | 661.1 ± 88.71 | |
| p = 0.0039* | p = 0.0849 | p = 0.0648 | p = 0.0375* | ||
*
regions showing statistical difference between groups.
DTI, diffusion tensor imaging; FA, fractional anisotropy; LD, longitudinal diffusivity; MD, mean diffusivity; mTBI, mild traumatic brain injury; RD, radial diffusivity.