Selective micro-structural integrity impairment of the isthmus subregion of the corpus callosum in alcohol-dependent males

Table 3 Mean inter-group differences and 95% confidence intervals in diffusion metrics of corpus callosum subregions

Region	FA			AD			RD			MD
Region	Difference	Low 95% CI	High 95% CI	Difference	Low 95% CI	High 95% CI	Difference	Low 95% CI	High 95% CI	Difference	Low 95% CI	High 95% CI
Subregion 1	0.011	−0.019	0.041	−0.052	− 0.110	0.006	− 0.044	− 0.102	0.014	− 0.062	− 0.118	−0.005
Subregion 2	0.013	−0.010	0.036	−0.032	−0.058	− 0.006	−0.030	− 0.063	0.003	− 0.031	−0.058	− 0.003
Subregion 3	0.011	−0.013	0.034	−0.031	−0.060	− 0.003	−0.030	− 0.066	0.007	− 0.030	−0.062	0.002
Subregion 4	0.009	−0.014	0.031	−0.031	−0.058	− 0.005	−0.026	− 0.063	0.011	− 0.028	−0.059	0.003
Subregion 5	0.016	−0.004	0.037	−0.041	−0.071	− 0.012	−0.041	− 0.078	−0.004	− 0.041	−0.074	− 0.009
Subregion 6	0.022	0.000	0.043	−0.063	−0.110	− 0.017	−0.062	− 0.108	−0.016	− 0.062	−0.105	− 0.019
Subregion 7	0.009	−0.003	0.021	−0.021	−0.051	0.010	−0,021	− 0.045	0.003	− 0.021	−0.045	0.003
Whole CC	0.010	−0.004	0.023	−0.028	−0,053	− 0.004	−0.026	− 0.050	−0.002	− 0.027	−0.049	− 0.004

For illustration, all values of AD, RD and MD were multiplied by 1000
Abbreviations: CC corpus callosum, FA Fractional Anisotropy, AD axial diffusivity, RD radial diffusivity, MD Mean diffusivity, CI confidence interval

ISSN: 1471-244X