Table 6.

The difference between number (million ± SE) of axons in five CC segments in autistic and control subjects

Group	S I	S II	S III	S IV	S V	Total number
C	25.900 (1.891)	24.944 (1.175)	9.878 (1.417)	3.711 (0.326)	25.222 (2.518)	89.655 (4.186)
A	10.933 (2.010)	15.500 (1.642)	3.211 (0.644)	1.360 (0.441)	13.300 (1.618)	44.304 (4.885)
p <	0.0001***	0.0003***	0.0012**	0.0006***	0.0011**	0.0001***
Differ.	−57.79%	−37.87%	67.49%	−63.35%	−47.27%	−49.42%

SE standard error, CC corpus callosum, S segment, C control, A autism; Differ., difference. Standard errors in parentheses. **p ≤ 0.01; ***p ≤ 0.001