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Table 3 Regression models for TD group describing processing speed scores’ dependence on faxon and Daxon in the mid and posterior segments, controlling for the number of voxels (NumVox) in that segment. Adjusted R2 (i.e., R2 adjusted for the number of predictors in the model) and uncorrected p values are reported

From: Diffusional kurtosis imaging of the corpus callosum in autism

Model Predictors Sig. (predictors) Sig. (model) R2 (model)
1 (DigitSC) Covariate NumVox (seg1) .255 .215 .179
Investigated predictors faxon (seg1) .084
Daxon (seg1) .120
ADextra (seg1) .416
RDextra (seg1) .243
2 (DigitSC) Covariate NumVox (seg2) .511 .312 .100
Investigated predictors faxon (seg2) .284
Daxon (seg2) .080
ADextra (seg2) .213
RDextra (seg2) .429
3 (DigitSC) Covariate NumVox (seg3) .663 .025* .385
Investigated predictors faxon (seg3) .014*
Daxon (seg3) .053
4 (DigitSC) Covariate NumVox (seg3) .986 .035* .382
Investigated predictor RDextra (seg3) .019*
5 (DigitSC) Covariate NumVox (seg4) .088 .016* .429
Investigated predictors Daxon (seg4) .003*
ADextra (seg4) .056
6 (DigitSC) Covariate NumVox (seg5) .005* .001* .707
Investigated predictors faxon (seg5) .001*
Daxon (seg5) .002*
ADextra (seg5) .012*
7 (SS) Covariate NumVox (seg1) .339 .399 .040
Investigated predictors faxon (seg1) .461
Daxon (seg1) .748
ADextra (seg1) .719
RDextra (seg1) .650
8 (SS) Covariate NumVox (seg2) .004* .020* .407
Investigated predictors faxon (seg2) .026*
Daxon (seg2) .095
9 (SS) Covariate NumVox (seg3) .269 .182 .212
Investigated predictors faxon (seg3) .752
Daxon (seg3) .180
ADextra (seg3) .289
RDextra (seg3) .308
10 (SS) Covariate NumVox (seg4) .253 .366 .044
Investigated predictors faxon (seg4) .378
Daxon (seg4) .354
ADextra (seg4) .928
RDextra (seg4) .921
11 (SS) Covariate NumVox (seg1) .190 .197 .049
Investigated predictors faxon (seg1) .556
Daxon (seg1) .564
ADextra (seg1) .985
RDextra (seg1) .939
  1. *p < .05