TABLE 2.
General linear models with all covariates (T1 DTI predicting T2 total CAPS symptoms).
| Left hemisphere |
Right hemisphere |
||||||
| β | CI | p | β | CI | p | ||
| Uncinate fasciculus | Intercept | −11.31 | −30.80 – 8.18 | 0.25 | −4.31 | −28.94 – 20.32 | 0.73 |
| FA | 42.36 | 3.74 – 80.99 | 0.03# | 19.75 | −30.15 – 69.64 | 0.43 | |
| Age | −0.08 | −0.26 – 0.10 | 0.38 | −0.07 | −0.26 – 0.11 | 0.42 | |
| Sex | 0.64 | −3.09 – 4.38 | 0.73 | 0.31 | −3.55 – 4.16 | 0.87 | |
| T1 PCL-5 | 0.24 | 0.13 – 0.35 | <0.001* | 0.25 | 0.14 – 0.37 | <0.001* | |
| T1 LEC | 0.05 | −0.07 – 0.16 | 0.42 | 0.02 | −0.10 – 0.14 | 0.75 | |
| T1 translation | 6.17 | −0.17 – 12.50 | 0.05 | 5.22 | −1.24 – 11.68 | 0.11 | |
| T1 rotation | −1156.31 | −2073.85 − –238.77 | 0.01# | −684.20 | −1834.97 – 466.56 | 0.24 | |
| Anterior cingulum | Intercept | 33.51 | 8.07 – 58.95 | 0.01 | 23.09 | −1.27 – 47.45 | 0.06 |
| FA | −53.28 | −94.69 −−11.87 | 0.01# | −35.88 | −76.90 – 5.14 | 0.08 | |
| Age | −0.06 | −0.22 – 0.11 | 0.49 | −0.06 | −0.23 – 0.10 | 0.46 | |
| Sex | −0.99 | −4.52 – 2.54 | 0.58 | −0.73 | −4.31 – 2.85 | 0.68 | |
| T1 PCL-5 | 0.25 | 0.14 – 0.36 | <0.001* | 0.24 | 0.13 – 0.35 | <0.001* | |
| T1 LEC | 0.01 | −0.10 – 0.12 | 0.87 | 0.02 | −0.09 – 0.13 | 0.65 | |
| T1 translation | 4.34 | −1.63 – 10.32 | 0.15 | 4.93 | −1.11 – 10.98 | 0.11 | |
| T1 rotation | −771.95 | −1607.28 – 63.37 | 0.07 | −812.71 | −1659.03 – 33.61 | 0.066 | |
| Posterior cingulum | Intercept | −5.57 | −27.34 – 16.19 | 0.61 | −3.32 | −28.27 – 21.64 | 0.79 |
| FA | 16.07 | −31.67 – 63.81 | 0.51 | 16.37 | −34.76 – 67.49 | 0.53 | |
| Age | −0.01 | −0.20 – 0.19 | 0.94 | −0.01 | −0.23 – 0.22 | 0.94 | |
| Sex | 0.01 | −4.07 – 4.10 | 0.99 | −1.41 | −6.02 – 3.20 | 0.55 | |
| T1 PCL-5 | 0.24 | 0.12 – 0.37 | <0.001* | 0.26 | 0.13 – 0.39 | <0.001* | |
| T1 LEC | 0.08 | −0.05 – 0.20 | 0.22 | 0.04 | −0.10 – 0.18 | 0.57 | |
| T1 translation | 5.55 | −1.92 – 13.01 | 0.14 | 6.21 | −1.35 – 13.77 | 0.11 | |
| T1 rotation | −764.99 | −1991.61 – 461.63 | 0.22 | −904.55 | −2214.89 – 405.79 | 0.17 | |
| Forceps minor | Intercept | 8.99 | −12.93 – 30.90 | 0.42 | |||
| FA | −9.43 | −49.51 – 30.66 | 0.64 | ||||
| Age | −0.03 | −0.20 – 0.14 | 0.75 | ||||
| Sex | −0.64 | −4.26 – 2.98 | 0.73 | ||||
| T1 PCL-5 | 0.23 | 0.12 – 0.34 | <0.001* | ||||
| T1 LEC | −0.00 | −0.11 – 0.11 | 0.99 | ||||
| T1 translation | 4.49 | −1.72 – 10.71 | 0.15 | ||||
| T1 rotation | −760.61 | −1618.91 – 97.69 | 0.08 | ||||
| Forceps major | Intercept | −0.52 | −28.45 – 27.42 | 0.97 | |||
| FA | 10.21 | −31.06 – 51.49 | 0.62 | ||||
| Age | −0.08 | −0.29 – 0.13 | 0.47 | ||||
| Sex | 0.27 | −3.98 – 4.51 | 0.90 | ||||
| T1 PCL-5 | 0.21 | 0.08 – 0.33 | 0.002* | ||||
| T1 LEC | 0.05 | −0.08 – 0.19 | 0.44 | ||||
| T1 translation | 6.07 | −1.08 – 13.23 | 0.09 | ||||
| T1 rotation | −1063.73 | −2030.91 – −96.55 | 0.03 | ||||
T1, 2-weeks post-trauma; T2, 6-months post-trauma; CAPS, Clinician Administered PTSD Scale; LEC, life events checklist total weighted score; FA, fractional anisotropy. p-values presented are uncorrected, bolded values with * indicates results that survived Benjamini–Hochberg correction (α = 0.05). # indicates marginal results after correction (p adjusted < 0.10).