Table 2:
Demographic information for post−quality control participants in ADNI1 and ADNI2
| Parameter | CN | sMCI | pMCI | AD |
|---|---|---|---|---|
| ADNI1 | ||||
| No. | 205 | 88 | 147 | 165 |
| Age, y, mean ± SD | 76.1 ± 5.0 | 74.0 ± 7.6 | 74.3 ± 7.1 | 75.4 ± 7.5 |
| Female sex, % | 51.7 | 40.9 | 40.8 | 51.5 |
| APOE4+, % | 27.8 | 37.5 | 68.7 | 65.4 |
| ADAS13 score, mean ± SD | 9.5 ± 4.3 | 14.3 ± 5.5 | 21.3 ± 5.3 | 28.6 ± 7.1 |
| MMSE score, mean ± SD | 29.1 ± 1.0 | 27.7 ± 1.7 | 26.7 ± 1.7 | 23.4 ± 2.0 |
| ADNI2 | ||||
| No. | 188 | 180 | 55 | 89 |
| Age, y, mean ± SD | 72.8 ± 6.1 | 70.8 ± 7.3 | 72.1 ± 7.1 | 74.4 ± 7.8 |
| Female sex, % | 54.0 | 47.8 | 49.1 | 46.1 |
| APOE4+, % | 29.4 | 35.6 | 65.4 | 71.3 |
| ADAS13 score, mean ± SD | 9.1 ± 4.2 | 11.8 ± 5.3 | 21.4 ± 6.5 | 31.6 ± 8.7 |
| MMSE score, mean ± SD | 29.1 ± 1.1 | 28.4 ± 1.6 | 27.3 ± 1.9 | 23.1 ± 2.3 |
ADAS13: Alzheimer's Disease Assessment Scale—Cognitive subscale (13 items); MMSE: Mini Mental State Examination; SD: standard deviation.