Table 3.

Ethnicity and sex differences in aging slopes of cortical and subcortical structures.

	Female				Male
	Caucasian		Korean		Caucasian		Korean
	Slope	95% CI	Slope	95% CI	Slope	95% CI	Slope	95% CI
Brain volume	−0.791	[−1.152, −0.574]	−0.408	[−0.486, −0.329]	−0.612	[−0.760, −0.457]	−0.513	[−0.598, −0.428]
Cortical volumes
Frontal	−0.664	[−1.018, −0.342]	−0.155	[−0.257, −0.050]	−0.491	[−0.741, −0.245]	−0.323	[−0.422, −0.221]
Temporal	−0.941	[−1.268, −0.632]	−0.439	[−0.544, −0.338]	−0.684	[−0.955, −0.433]	−0.570	[−0.691, −0.456]
Parietal	−0.828	[−1.141, −0.517]	−0.207	[−0.315, −0.098]	−0.584	[−0.848, −0.315]	−0.349	[−0.473, −0.222]
Occipital	−1.114	[−1.541, −0.722]	−0.344	[−0.480, −0.205]	−0.615	[−0.903, −0.309]	−0.659	[−0.820, −0.496]
Cingulate	−0.649	[−1.069, −0.275]	−0.218	[−0.364, −0.074]	−0.196	[−0.460, 0.059]	−0.347	[−0.515, −0.182]
Insular	−0.478	[−0.835, −0.145]	0.025	[−0.105, 0.162]	−0.130	[−0.448, 0.177]	−0.048	[−0.203, 0.110]
Subcortical volumes
Ventricle	2.187	[0.549, 3.741]	4.176	[3.527, 4.815]	2.869	[1.935, 3.904]	2.796	[2.181, 3.427]
Thalamus	−0.832	[−1.286, −0.534]	−0.210	[−0.381, −0.023]	−0.490	[−0.774, −0.207]	−0.406	[−0.605, −0.205]
Putamen	−0.550	[−1.058, 0.008]	−0.734	[−0.960, −0.500]	−0.496	[−0.835, −0.136]	−0.714	[−0.976, −0.441]
Hippocampus	−1.588	[−2.074, −1.122]	−0.886	[−1.057, −0.723]	−1.220	[−1.605, −0.825]	−0.977	[−1.193, −0.761]
Caudate	−0.010	[−0.520, 0.571]	−0.144	[−0.322, 0.036]	−0.058	[−0.433, 0.351]	−0.236	[−0.476, 0.003]
Amygdala	−1.697	[−2.375, −1.078]	−0.652	[−0.835, −0.468]	−1.046	[−1.558, −0.531]	−0.918	[−1.159, −0.683]
Pallidus	−0.243	[−0.664, 0.187]	0.383	[0.140, 0.613]	−0.183	[−0.493, 0.149]	0.236	[−0.089, 0.575]
Accumbens	−1.635	[−2.409, −0.759]	−1.465	[−1.784, −1.147]	−1.602	[−2.345, −0.932]	−1.137	[−1.502, −0.772]

Values are presented in % per year, and based on 10,000 iterations of linear regression analysis. Slope is presented in bold if the 95% confidence interval (CI) does not include the value of zero.