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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Neuroimage. 2020 Jun 10;219:117040. doi: 10.1016/j.neuroimage.2020.117040

Table 2.

Association of age with diffusion metrics using TraCULA (N = 47).

R2 βage p-val R2 βage p-val R2 βage p-val
Free Water ATR 0.20 0.441 0.003* Fractional Anisotropy ATR 0.06 −0.143 0.343 Free Water-adjusted Fractional Anisotropy ATR 0.02 −0.046 0.765
CAB 0.12 0.316 0.038 CAB 0.03 −0.043 0.783 CAB 0.02 0.050 0.748
CCG 0.03 0.022 0.883 CCG 0.02 −0.050 0.746 CCG 0.03 −0.020 0.897
CST 0.08 0.204 0.176 CST 0.09 −0.042 0.776 CST 0.09 0.047 0.749
Fmajor 0.10 0.011 0.942 Fmajor 0.05 −0.127 0.401 Fmajor 0.07 −0.136 0.368
Fminor 0.05 0.215 0.169 Fminor 0.03 −0.024 0.877 Fminor 0.04 0.114 0.463
ILF 0.14 0.302 0.038 ILF 0.04 −0.145 0.351 ILF 0.01 −0.087 0.581
SLF 0.12 0.347 0.021 SLF 0.08 0.052 0.728 SLF 0.17 0.262 0.069
UNC 0.13 0.002 0.302 UNC 0.05 −0.007 0.966 UNC 0.05 0.139 0.367
*

survives FDR-correction at p < .05;

**

survives FDR-correction at p < .01.

Note: Covariates included in regression model = years of education, gender; β = Standardized Beta Weight; ATR = Anterior Thalamic Radiation; CAB = Cingulate Gyrus Angular Bundle; CCG = Cingulate Gyrus, cingulum bundle; CST = corticospinal tract; Fmajor = Forceps Major, corpus callosum; Fminor = Forceps Minor, corpus callosum; ILF = inferior longitudinal fasciculus; SLF = superior longitudinal fasciculus; UNC = uncinate fasciculus.