Table 1.
Demographics and FA by Group.
| HC (n = 79) | MCI (n = 31) | |
|---|---|---|
| Age | 67.81 (9.02) | 68.94 (10.64) |
| Education | 14.94 (2.83) | 14.84 (2.46) |
| Sex, n male/female | 29/50 | 12/19 |
| Ethnicity, n caucasian/AA | 55/24 | 16/15 |
| MMSE | 28.07 (1.65) | 27.40 (1.96) |
| Lawton-Brody IADL | 26.58 (0.96) | 26.16 (1.37) |
| GDS | 4.03 (5.59) | 5.13 (5.64) |
| FA Genu of CC | 0.682 (0.049) | 0.680 (0.041) |
| FA Body of CCa | 0.659 (0.042) | 0.635 (0.044) |
| FA Splenium of CC | 0.760 (0.041) | 0.753 (0.034) |
| FA CC Early | 0.662 (0.040) | 0.654 (0.035) |
| FA CC Middle | 0.695 (0.043) | 0.680 (0.040) |
| FA CC Latea | 0.691 (0.042) | 0.666 (0.046) |
Abbreviations: HC, normal controls; MCI, mild cognitive impairment; AA, African American; MMSE, Mini-Mental Status Examination; FA, fractional anisotropy; CC, corpus callosum; GDS, Geriatric Depression Scale; IADL, instrumental activities of daily living.
a P < .05.