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Participant characteristics
| N (M/F) | Age (SEM) | BMI (SEM) | % with ApoE ε4 * | |
|---|---|---|---|---|
| Cognitively unaffected and stable (CS) | 211 (109/102) | 42.16 (0.59) | 31.99 (0.5) | 21.3% (45/211) |
| Mild cognitive impairment (Down syndrome [DS]‐MCI) | 43 (30/13) | 52.21 (1.06) | 28.89 (0.95) | 34.9% (15/43) |
| Alzheimer's Disease (DS‐AD) | 38 (18/20) | 54.39 (0.93) | 30.15 (1.1) | 36.8% (14/38) |
The groups differed in proportion with ε4 (χ2 = 6.52, P < .05).
