Table 3.
Group Comparisons of ROIs across DTI Indices
| Track Name | Control | TBI, Pass | TBI, Fail | Control vs. TBI-Pass | Control vs. TBI-Failed | TBI-Passed vs. TBI- Failed | |
|---|---|---|---|---|---|---|---|
| FA | AIC, Left | .413 (.017) | .410 (.020) | .408 (.030) | .55 | .49 | .78 |
| AIC, Right | .422 (.020) | .419 (.018) | .407 (.023) | .54 | .04 | .07 | |
| CC Body | .493 (.020) | .498 (.016) | .487 (.014) | .24 | .33 | .04 | |
| Cing, Left | .451 (.018) | .445 (.020) | .432 (.019) | .27 | .01 | .04 | |
| Cing, Right | .430 (.018) | .428 (.019) | .417 (.021) | .71 | .06 | .08 | |
| Fornix | .381 (.032) | .386 (.019) | .381 (.017) | .40 | .91 | .58 | |
| CC Genu | .475 (.030) | .475 (.026) | .461 (.023) | .99 | .14 | .11 | |
| PIC, Left | .490 (.013) | .484 (.015) | .475 (.013) | .10 | .00 | .06 | |
| PIC, Right | .485 (.018) | .479 (.017) | .475 (.015) | .18 | .09 | .39 | |
| CC Splenium | .515 (.017) | .517 (.017) | .505 (.018) | .69 | .10 | .03 | |
|
| |||||||
| RDx10−4 | AIC, Left | 5.17 (.23) | 5.36 (.22) | 5.31 (.27) | .00 | .10 | .47 |
| AIC, Right | 5.13 (.24) | 5.26 (.19) | 5.29 (.20) | .02 | .03 | .73 | |
| CC Body | 5.18 (.33) | 5.15 (.26) | 5.08 (.30) | .67 | .32 | .46 | |
| Cing, Left | 4.97 (.23) | 5.08 (.19) | 5.14 (.19) | .04 | .02 | .36 | |
| Cing, Right | 5.08 (.22) | 5.15 (.19) | 5.24 (.24) | .19 | .03 | .16 | |
| Fornix | 8.90 (.96) | 9.06 (1.04) | 9.03 (.84) | .54 | .69 | .94 | |
| CC Genu | 5.33 (.35) | 5.38 (.26) | 5.41 (.27) | .46 | .40 | .75 | |
| PIC, Left | 4.58 (.20) | 4.66 (.16) | 4.69 (.18) | .09 | .08 | .59 | |
| PIC, Right | 4.60 (.26) | 4.70 (.18) | 4.70 (.19) | .08 | .18 | .97 | |
| CC Splenium | 5.29 (.33) | 5.30 (.28) | 5.28 (.31) | .92 | .88 | .80 | |
|
| |||||||
| ADx10−3 | AIC, Left | 1.00 (.05) | 1.04 (.05) | 1.02 (.05) | .02 | .30 | .40 |
| AIC, Right | 1.02 (.05) | 1.04 (.05) | 1.02 (.05) | .08 | .81 | .24 | |
| CC Body | 1.19 (.06) | 1.21 (.06) | 1.16 (.05) | .29 | .13 | .01 | |
| Cing, Left | 1.05 (.04) | 1.07 (.05) | 1.05 (.04) | .43 | .69 | .28 | |
| Cing, Right | 1.03 (.04) | 1.04 (.05) | 1.03 (.04) | .43 | .71 | .81 | |
| Fornix | 1.63 (.14) | 1.67 (.17) | 1.66 (.13) | .22 | .52 | .77 | |
| CC Genu | 1.18 (.06) | 1.20 (.06) | 1.17 (.04) | .31 | .43 | .10 | |
| PIC, Left | 1.05 (.04) | 1.05 (.04) | 1.04 (.03) | .39 | .51 | .15 | |
| PIC, Right | 1.04 (.04) | 1.06 (.04) | 1.04 (.04) | .20 | .96 | .32 | |
| CC Splenium | 1.28 (.07) | 1.29 (.07) | 1.25 (.04) | .40 | .23 | .05 | |
FA = Fractional anisotropy; RD = Radial diffusivity; AD = Axial diffusivity AIC= Anterior Internal Capsule; CC = Corpus Callosum; Cing = Cingulum Bundle; PIC = Posterior Internal Capsule