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. 2020 Aug 12;12:233. doi: 10.3389/fnagi.2020.00233

Table 2.

Regression results using each volume of cortical and subcortical structures as the predicted variable (N = 1350).

Age Sex Ethnicity Education ICV Model
b p b p b p b p b p R2
Brain volume −0.30 1.1E-84 −0.03 1.1E-01 −0.32 1.0E-66 0.00 9.6E-01 0.87 1.9E-297 0.752
Cortical volumes
   Frontal −0.18 1.4E-22 0.00 8.7E-01 −0.43 8.3E-73 0.02 5.2E-01 0.73 1.5E-163 0.589
   Temporal −0.31 2.5E-57 0.02 3.9E-01 −0.46 1.3E-83 −0.02 3.7E-01 0.65 6.2E-141 0.597
   Parietal −0.18 8.1E-24 −0.05 2.1E-02 −0.62 9.1E-142 0.02 3.5E-01 0.63 1.2E-137 0.609
   Occipital −0.25 2.4E-32 0.03 2.5E-01 −0.47 2.9E-68 0.02 4.9E-01 0.53 5.2E-80 0.468
   Cingulate −0.14 8.2E-11 0.01 6.9E-01 −0.38 1.8E-45 0.04 1.6E-01 0.64 5.9E-108 0.459
   Insular −0.06 8.8E-03 0.07 1.8E-02 −0.33 5.1E-35 0.00 9.5E-01 0.62 4.2E-98 0.437
Subcortical volumes
   Ventricle 0.34 2.7E-50 −0.04 2.1E-01 0.08 1.6E-03 −0.02 5.2E-01 0.51 2.8E-68 0.420
   Thalamus −0.18 3.7E-15 −0.05 1.1E-01 −0.49 8.9E-65 0.01 6.7E-01 0.49 2.4E-62 0.386
   Putamen −0.25 2.8E-22 −0.03 3.0E-01 −0.01 7.4E-01 0.04 2.3E-01 0.41 3.4E-35 0.203
   Hippocampus −0.42 1.1E-67 −0.01 7.8E-01 −0.38 2.7E-41 0.03 3.0E-01 0.27 3.4E-21 0.371
   Caudate −0.06 1.6E-02 −0.12 1.9E-04 0.09 1.8E-03 0.02 4.9E-01 0.52 1.2E-56 0.243
   Amygdala −0.32 7.4E-38 0.12 1.7E-04 −0.37 4.2E-35 0.03 3.6E-01 0.27 8.0E-19 0.305
   Pallidus 0.04 1.0E-01 −0.01 6.8E-01 −0.12 8.8E-05 −0.03 4.4E-01 0.43 2.5E-36 0.164
   Accumbens −0.33 3.5E-33 0.06 1.0E-01 0.09 5.0E-03 0.07 4.5E-02 0.14 3.4E-05 0.144

Age, sex, ethnicity, education, and intracranial volume (ICV) were used as predictors in the regression analyses. p indicates statistical significance. b indicates the standardized regression coefficient that is presented in italic at the 95% significance level, or in bold after Bonferroni correction.