Table 2.

Regional CC fiber counts of CCHS and control subjects.

CC segments	CCHS (n =13) (mean ± SD) [A]	Controls (n = 31) (mean ± SD) [B]	*p values [A] vs [B]
Prefrontal	217 ± 47	248 ± 32	0.005
Premotor	201 ± 51	241 ± 47	0.012
Sensorimotor	213 ± 79	229 ± 48	0.254
Parietal	179 ± 64	238 ± 54	0.002
Temporal	218 ± 47	236 ± 36	0.205
Occipital	363 ± 46	431 ± 82	0.004

CC = Corpus callosum; SD = Standard deviation

^*= p values derived from multivariate analysis of covariance, with age and sex included as covariates.