Table 3.
Vitreous | No CTE | Versus CTE | Versus CTE | CTE Stage I/II | Versus CTE | CTE Stage III/IV | |||
Biomarker | Stage I/II | Stage III/IV | (low stage) | Stage III/IV | (high stage) | ||||
Median (IQR) | p | p # | p | p # | Median (IQR) | p | p # | Median (IQR) | |
tTau, pg/mL | 743000 | 0.20 | 0.29 | 0.78 | 0.78 | 5340000 | 0.18 | 0.30 | 710000 |
(167000– 2080000) | (661000– 7770000) | (112000– 3030000) | |||||||
n = 15 | n = 5 | n = 19 | |||||||
pTau181, U/mL | 260 (102– 424) | >0.99 | >0.99 | 0.70 | >0.99 | 196 (154– 207) | 0.72 | >0.99 | 290 (126– 466) |
n = 15 | n = 5 | n = 19 | |||||||
pTau231, U/mL | 7390 (1090– 24600) | 0.40 | 0.58 | 0.58 | 0.58 | 15500 (5190– 20100) | 0.29 | 0.58 | 3620 (410– 22200) |
n = 15 | n = 5 | n = 18 | |||||||
Aβ40, pg/mL | 482 (361– 612) | 0.27 | 0.40 | 0.22 | 0.40 | 458 (98.4– 466) | 0.95 | 0.95 | 417 (250– 535) |
n = 15 | n = 5 | n = 19 | |||||||
Aβ42, pg/mL | 30 (19– 34.8) | 0.07* | 0.20 | 0.26 | 0.26 | 10.1 (2.07– 15.6) | 0.21 | 0.26 | 21.9 (10.7– 32.3) |
n = 15 | n = 5 | n = 19 | |||||||
NfL, pg/mL | 1020 (665– 2660) | 0.06* | 0.096* | 0.27 | 0.27 | 6700 (4040– 16600) | 0.01** | 0.03** | 848 (282– 2160) |
n = 12 | n = 5 | n = 15 | |||||||
Eotaxin-1, pg/mL | 56.1 (25.9– 115) | >0.99 | >0.99 | 0.17 | 0.50 | 51.7 (36– 120) | 0.49 | 0.74 | 31.4 (14.8– 71.4) |
n = 15 | n = 5 | n = 18 |
p = unadjusted p value and p# = p value after adjusting for multiple comparisons testing. *p < 0.10 and **p < 0.05. IQR, interquartile range; AD, Alzheimer’s disease; CTE, chronic traumatic encephalopathy; Aβ, amyloid-β; tTau, total tau; pTau, phosphorylated tau; NfL, neurofilament light; pg/mL, picograms per milliliter; U/mL, units per milliliter.