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Table 5 Significance of difference in the percentage of small-, medium-, and large-diameter axons in segment I compared to four other segments in the CC in autistic and control subjects

From: Deficit of corpus callosum axons, reduced axon diameter and decreased area are markers of abnormal development of interhemispheric connections in autistic subjects

Axon diameter (μm)

Group

S I/S II

S I/S III

S I/S IV

S I/S V

< 0.651

C

0.073

0.002**

0.073

0.002**

0.651–1.051

C

0.646

0.224

0.052

0.616

>  1.051

C

0.048*

0.0002***

0.0015**

0.0002***

< 0.651

A

0.028*

0.663

0.663

0.663

0.651–1.051

A

0.232

0.745

0.404

0.232

>  1.051

A

0.221

0.221

0.221

0.684

  1. CC corpus callosum, S segment, C control, A autism. P values incorporate multiple-comparison adjustments to maintain a false discovery rate (FDR) of 0.05. *p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001