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Table 2 Summary of group differences from two-way ANOVA for DKI measures, including number of volumes, faxon, Daxon, ADextra, and RDextra across callosal body and by callosal segment (F, uncorrected p, and effect size partial η2 values are reported)

From: Diffusional kurtosis imaging of the corpus callosum in autism

 

TD

ASD

F(1, 31)

p

η 2

f axon

.422 ± .020

.405 ± .014

7.47

.010*

.19

 faxon in segment 1

.394 ± .024

.379 ± .022

3.42

.074

.10

 faxon in segment 2

.404 ± .024

.387 ± .023

4.34

.046

.12

 faxon in segment 3

.429 ± .022

.411 ± .025

4.30

.029*

.15

 faxon in segment 4

.427 ± .023

.407 ± .016

8.52

.006*

.22

 faxon in segment 5

.440 ± .021

.423 ± .017

6.51

.016*

.17

D axon

1.001 ± .067

.961 ± .052

4.26

.045*

.12

 Daxon in segment 1

.921 ± .087

.883 ± .061

2.06

.161

.06

 Daxon in segment 2

.913 ± .071

.870 ± .062

3.27

.080

.10

 Daxon in segment 3

.972 ± .082

.920 ± .063

4.00

.048

.12

 Daxon in segment 4

1.047 ± .094

.992 ± .088

3.10

.088

.09

 Daxon in segment 5

1.073 ± .072

1.040 ± .076

1.62

.213

.05

ADextra

2.338 ± .068

2.313 ± .083

1.76

.194

.05

RDextra

.940 ± .041

.926 ± .032

0.94

.339

.03

Number of volumes

2854 ± 718

2882 ± 542

0.02

.901

.00

  1. Italics indicate p < .05 uncorrected
  2. *Significant result after correcting for multiple comparisons using Benjamini-Hochberg procedure with false discovery rate (FDR) set at 5%