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. Author manuscript; available in PMC: 2016 Jul 5.
Published in final edited form as: Acta Psychiatr Scand. 2015 Jan 31;131(6):458–464. doi: 10.1111/acps.12397

Table 2.

Measurements of the corpus callosum (CC) in the three groups. Raw values normalized for intracranial volume (ICV) are expressed in mm3

Healthy controls
(n=25)
Mean ± SD		 Early stage BP I
(n=20)
Mean ± SD		 Late stage BP I (n=21)
Mean ± SD		 F P
(uncorrected
for number of
regions)
Anterior CC 0.00062 ± 0.0001 0.00061 ± 0.00008 0.00056 ± 0.00008 2.48 .09
Mid-anterior CC 0.00032 ± 0.00005 0.00033 ± 0.00007 0.00028 ± 0.00005 3.39 .04
Central CC 0.00031 ± 0.00004 0.00032 ± 0.00005 0.00029 ± 0.00005 1.56 .21
Mid-posterior CC 0.0003 ± 0.00007 0.0003 ± 0.00005 0.00027 ± 0.00005 1.65 .19
Posterior CC 0.00067 ± 0.0001 0.00069 ± 0.0001 0.00059 ± 0.00007 6.05 .004*
*

significant difference in the ANOVA (Late stage BP I < Healthy controls; Late stage BP I < Early stage BP I; the difference is still significant after Bonferroni correction for multiple comparison, see text for details).