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. Author manuscript; available in PMC: 2013 Sep 12.
Published in final edited form as: Psychiatry Res. 2008 Mar 4;162(3):256–261. doi: 10.1016/j.pscychresns.2007.08.006

Table 1.

Fractional Anisotropy Assessments of the Corpus Callosum1

PTSD
N=17		 Controls
N=15		 F-Value
Statistic		 p-value Cohen’s d
Effect size
Region 1 – Rostrum .23 ± .02 .24 ± .02 0.01 ns −0.13
Region 2 – Genu .43 ± .02 .46 ± .02 1.00 ns −0.37
Region 3 – Rostral Body .36 ± .022 .36 ± .032 0.01 ns 0
Region 4 – Ant. Midbody .37 ± .02 .43 ± .02 4.55 .04 −0.75
Region 5 – Post. Midbody .36 ± .02 .43 ± .02 4.35 .05 −0.87
Region 6 – Isthmus .38 ± .022 .42 ± .032 0.90 ns −0.50
Region 7 – Splenium .41 ± .022 .48 ± .032 2.78 .10 −0.70

Notes:

1

= DTI measures are adjusted for total white matter volume (X ± SE).

2

= Raw scores are presented in the table, rank transformed scores were used in the analyses.