TABLE 1.
Subject demographics.
| Pre‐QC | Post‐QC | R1 subsample | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Total | ADB | HA | Total | ADB | HA | Total | ADB | HA | |
| N | 174 | 68 | 106 | 127 | 45 | 82 | 35 | 26 | 9 |
| Mean age (years ± SD) | 55.3 ± 17.6 | 69.9 ± 5.6 | 45.8 ± 16.1 | 53.4 ± 18.0 | 69.6 ± 5.7 | 44.5 ± 16.1 | 62.7 ± 13.3 | 70.0 ± 5.2 | 41.8 ± 4.9 |
| Sex (female:male) | 95:79 | 41:27 | 54:52 | 76:51 | 29:16 | 47:35 | 21:14 | 16:10 | 5:4 |
| WASI (±SD) | 104.3 ± 18.8 | – | 104.3 ± 18.8 | 105.5 ± 18.8 | – | 105.5 ± 18.8 | 102.1 ± 21.1 | – | 102.1 ± 21.1 |
| MMSE (±SD) | 28.6 ± 1.5 | 28.3 ± 1.7 | 28.8 ± 1.3 | 28.7 ± 1.5 | 28.2 ± 1.8 | 29.0 ± 1.3 | 28.5 ± 1.6 | 28.3 ± 1.8 | 29.0 ± 0.8 |
| MOCA (±SD) | 25.5 ± 2.7 | 25.5 ± 2.7 | – | 25.2 ± 2.8 | 25.2 ± 2.8 | – | 25.2 ± 3.0 | 25.2 ± 3.0 | – |
| RBANS (±SD) | 99.9 ± 13.8 | 97.1 ± 12.9 | 101.6 ± 14.0 | 101.3 ± 13.0 | 98.2 ± 13.6 | 102.9 ± 12.4 | 98.0 ± 13.0 | 94.5 ± 12.8 | 106.6 ± 9.1 |
Note: Demographic information by dataset before quality control (QC), after QC, and in the R1 subsample (see Section 2.2).
Abbreviations: ADB, Alzheimer's Disease Biomarkers cohort (controls only); HA, Healthy Aging cohort; MMSE, Mini‐Mental State Exam; MOCA, Montreal Cognitive Assessment; RBANS, Repeatable Battery for the Assessment of Neuropsychological Status; SD, standard deviation; WASI, Wechsler Abbreviated Scale of Intelligence.