TABLE 3.
Alzheimer's Biomarker Consortium–Down Syndrome (ABC‐DS) cohort characteristics as of September 2019 (N = 370 participants)
| Characteristics | n (%) |
|---|---|
| Sex | |
| Males | 199 (54%) |
| Females | 171 (46%) |
| Age | |
| 25 to 34 | 53 (14%) |
| 35 to 44 | 110 (30%) |
| 45 to 54 | 131 (35%) |
| 55 to 64 | 69 (19%) |
| 65+ | 7 (2%) |
| Race | |
| White | 354 (96%) |
| Nonwhite | 16 (4%) |
| Status a | |
| Cognitively stable | 241 (68%) |
| MCI‐DS | 52 (15%) |
| Dementia | 42 (12%) |
| Undetermined | 18 (5%) |
| Co‐occurring | |
| Stroke | 7 (2%) |
| Diabetes | 19 (5%) |
| Hyperlipidemia | 113 (31%) |
| Hypothyroidism | 221 (60%) |
| Seizures | 34 (9%) |
| Obesity | 179 (48%) |
| APOE | |
| Any ε4 allele | 64 (17%) |
Abbreviation: MCI‐DS, mild cognitive impairment.
a
353 with consensus diagnosis.