Table 1.
Demographic characteristics of volunteers and patients. SD: standard deviation.
| Volunteers | AD Patients | Non-AD Patients | |
|---|---|---|---|
| n | 277 | 70 | 18 |
| Age: mean (SD) | 66.5 (7.78) | 71.1 (8.05) | 65.6 (9.55) |
| MMSE: mean (SD) | 28.5 (1.27) | 24.1 (4.59) | 26.4 (2.12) |
| APOE *: n ε4−/n ε4+ (% ε4−/% ε4+) | 192/83 (70%/30%) |
21/40 (34%/66%) |
14/2 (87.5%/12.5%) |
| Gender: male/female | 98/179 | 32/38 | 7/11 |
* APOE: 2 missing among volunteers, nine missing among AD patients, 2 missing among non-AD patients; ε4− represents ε4 noncarriers and ε4+ represents ε4 carriers.