Table 2. Sample Demographics for Brain Tissue Study.
| Control (N = 26) | AD-DEM (N = 25) | Frail (N = 26) | AD-Resilient (N = 25) | Total (N = 102) | |
|---|---|---|---|---|---|
| Age (years) | |||||
| Mean (SD) | 90.6 (5.29) | 90.4 (5.32) | 88.0 (6.56) | 91.0 (5.19) | 90.0 (5.67) |
| Sex | |||||
| Female | 15.0 (57.7%) | 14.0 (56.0%) | 13.0 (50.0%) | 14.0 (56.0%) | 56.0 (54.9%) |
| Education (years) | |||||
| Mean (SD) | 17.1 (3.69) | 16.2 (3.22) | 16.8 (3.46) | 16.4 (3.87) | 16.6 (3.53) |
| Global pathology (z-score) | |||||
| Mean (SD) | 0.275 (0.38) | 1.61 (0.61) | 0.219 (0.3) | 1.28 (0.53) | 0.834 (0.77) |
| Global cognition (z-score) | |||||
| Mean (SD) | 0.30 (0.33) | –2.19 (1.03) | –1.46 (0.74) | –0.097 (0.34) | –0.86 (1.21) |