TABLE 3.
Cerebrospinal fluid biomarker concentrations.
|
Black former NFL players |
White former NFL players |
|||||
| Mean (SD) | 95% CI | Median | Mean (SD) | 95% CI | Median | |
| t-tau (pg/ml) | 27.59 (7.26) | 24.72, 30.46 | 27.00 | 37.24 (15.12) | 32.47, 42.02 | 33.00 |
| p-tau181 (pg/ml) | 19.78 (7.59) | 16.77, 22.78 | 21.00 | 18.46 (11.06) | 14.97, 21.96 | 16.00 |
| Aβ1–42 (pg/ml) | 334.52 (72.16) | 305.97, 363.06 | 333.00 | 376.49 (77.32) | 352.08, 400.89 | 384.00 |
| p-tau181/t-tau (pg/ml) | 0.72 (0.25) | 0.62, 0.82 | 0.74 | 0.51 (0.23) | 0.43, 0.58 | 0.45 |
| p-tau181/Aβ1–42 (pg/ml) | 0.06 (0.02) | 0.05, 0.07 | 0.06 | 0.05 (0.03) | 0.04, 0.06 | 0.04 |
t-tau, total tau; p-tau181, hyperphosphorylated tau; Aβ, beta-amyloid.