Axon diameter (μm)
|
Group
|
Percentage of axons in CC segments
|
---|
S I
|
S II
|
S III
|
S IV
|
S V
|
---|
< 0.651
|
C
|
34.6 (2.6)
|
28.0 (3.0)
|
20.5 (2.4)
|
24.3 (5.6)
|
19.1 (3.4)
|
A
|
43.1 (2.2)
|
35.0 (2.4)
|
38.9 (7.9)
|
37.8 (7.8)
|
46.6 (6.2)
|
p <
|
0.027*
|
0.093
|
0.058
|
0.175
|
0.0014**
|
Diff.
|
+ 24.42%
|
ns
|
ns
|
ns
|
+ 143.7%
|
0.651–1.051
|
C
|
43.1 (1.3)
|
43.8 (1.3)
|
39.8 (1.2)
|
35.4 (2.8)
|
41.6 (2.0)
|
A
|
42.2 (1.8)
|
45.8 (2.1)
|
40.8 (5.3)
|
39.0 (4.2)
|
36.9 (3.4)
|
p <
|
0.696
|
0.429
|
0.858
|
0.472
|
0.261
|
Diff.
|
ns
|
ns
|
ns
|
ns
|
ns
|
> 1.051
|
C
|
22.2 (1.9)
|
28.2 (2.1)
|
39.6 (3.3)
|
40.2 (3.8)
|
39.2 (3.2)
|
A
|
14.7 (1.3)
|
19.0 (2.1)
|
20.3 (3.0)
|
23.1 (3.8)
|
16.4 (3.1)
|
p <
|
0.005**
|
0.008**
|
0.007***
|
0.010**
|
0.0001***
|
Diff.
|
−34.02%
|
−32.52%
|
−48.82%
|
−42.52
|
−58.2%
|
- SE Standard error, CC corpus callosum, S segment, C control, A autism; Diff., difference; ns, not significant. Standard errors in parentheses