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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
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