Table 1:
Cohort characteristics (n=75)
| Mean | StdDev | Range | |
|---|---|---|---|
| Sample Characteristics | |||
| Age | 55.16 | 7.98 | 40 – 69 |
| Body mass index (kg/m2) | 33.15 | 5.18 | 25.2 – 52.1 |
| Education (Years) | 16.49 | 0.98 | 15 – 20 |
| CHII | 20352.3 | 7236.02 | 6860.4 – 48218.3 |
| Race | W 44; B/A 23; NA 8 | ||
| Fluid Biomarkers | |||
| Plasma Total Tau (pg/mL) | 2.56 | 0.98 | 0.77 – 5.68 |
| Neuropsychological Tests | |||
| Trail Making Test A | 49.37 | 11.52 | 20 – 66 |
| Trail Making Test B | 45.21 | 15.75 | 20 – 74 |
| Stroop Test | 10.99 | 2.63 | 2 – 15 |
| COWAT | 49.86 | 11.41 | 24 – 80 |
| BRI | 63.01 | 12.32 | 37 – 95 |
Summary of demographical data, fluid biomarkers and neuropsychological test performance represented as mean, standard deviation (StdDev), range and numeric variables.
Abbreviations: CHII = Cumulative Head Impact Index; Race: W = White, B/A = Black or African American, NA = No data available; BRI = Behavioral Regulation Index; COWAT = Controlled Oral Word Association Test; StdDev = Standard Deviation.