Table 1 Subject characteristics at baseline
From: Clinical and biological relevance of glial fibrillary acidic protein in Alzheimer’s disease
Variable | Cognitively unimpaired (CU) n = 57 | Cognitively impaired (CI) n = 87 | CU versus CI | ||
|---|---|---|---|---|---|
CU − n = 46 | CU + n = 11 | CI − n = 26 | CI + n = 61 | p value | |
Age | 70.74 ± 6.54 | 72.00 ± 6.36 | 71.46 ± 6.83 | 74.21 ± 6.43 | 0.02 |
Sex | 21 M/25F | 7 M/4F | 15 M/11F | 35 M/26F | > 0.05 |
Years of education | 16.35 ± 2.54 | 15.91 ± 2.47 | 15.92 ± 2.62 | 15.46 ± 2.71 | > 0.05 |
Race (White) | 40 | 11 | 24 | 58 | > 0.05 |
Ethnicity (non-Hispanic) | 44 | 8 | 26 | 57 | > 0.05 |
% of APOE ε4 carrier | 28% | 45% | 16% | 78% | 0.004 |
Global CDR | 0.09 ± 0.22 | 0.14 ± 0.23 | 0.50 ± 0.26 | 0.58 ± 0.24 | < 0.001 |