Table 1.
Description of the ADNI cohort dataset at first visit. AD = Alzheimer’s dementia, MCI = mild cognitive impairment, CN = cognitively normal controls.
| Basic demographics (based on visit 1) | AD | MCI | CN |
|---|---|---|---|
| Number of Patients | 213 | 322 | 322 |
| Age, years (mean (s.d.)) | 74.6 (7.6) | 74.5 (7.3) | 74.9 (5.8) |
| Male gender (n (%)) | 108 (50.7%) | 203 (63%) | 164 (50.9%) |
| Education, yr | 15.24 (2.73) | 15.69 (2.89) | 16.4 (2.67) |
| Marital status | |||
| Married | 175 (82.2%) | 258 (80.1%) | 214 (66.5%) |
| Widowed | 23 (10.8%) | 37 (11.5%) | 54 (16.8%) |
| Divorced | 10 (4.7%) | 22 (6.8%) | 32 (9.9%) |
| Never married | 5 (2.3%) | 5 (1.6%) | 21 (6.5%) |
| Number of ApoE4 carriers | |||
| No | 63 (29.6%) | 147 (45.7%) | 233 (72.4%) |
| One APOE4 allele | 105 (49.3%) | 129 (40.1%) | 77 (23.9%) |
| Two APOE 4 alleles | 45 (21.1%) | 42 (13.0%) | 11 (3.4%) |
| Time between two imaging sessions (mean (s.d.)) (years) | 1.6 (0.6) | 3.8 (2.6) | 4.8 (2.9) |