Table 2.
Vitreous | Control | Versus AD | Versus | Versus | AD only | Versus AD+CTE | Versus AD+CTE | CTE only | Versus AD+CTE | AD + CTE | ||||||
Biomarker | only | CTE | AD+CTE | |||||||||||||
Median | p | p # | p | p # | p | p # | Median | p | p # | p | p # | Median | p | p # | Median | |
(IQR) | (IQR) | (IQR) | (IQR) | |||||||||||||
tTau, pg/mL | 167000 | 0.054* | 0.08* | 0.04** | 0.08* | 0.82 | 0.98 | 1720000 | >0.99 | >0.99 | 0.016** | 0.049** | 2170000 | 0.015** | 0.049** | 194000 |
(84400–1010000) | (1030000–4190000) | (27900–6780000) | (57700–710000) | |||||||||||||
n = 8 | n = 7 | n = 15 | n = 9 | |||||||||||||
pTau181, U/mL | 102 (55–256) | 0.09* | 0.28 | 0.056* | 0.28 | 0.96 | 0.96 | 364 (284–446) | 0.49 | 0.59 | 0.46 | 0.59 | 273 (175–435) | 0.31 | 0.59 | 120 (39.6–410) |
n = 8 | n = 7 | n = 15 | n = 9 | |||||||||||||
pTau231, U/mL | 2510 (836–9480) | 0.28 | 0.42 | 0.17 | 0.33 | 0.48 | 0.58 | 23000 (5610–29000) | 0.97 | 0.97 | 0.04** | 0.13 | 17800 (1840–36400) | 0.04** | 0.13 | 1180 (198–5190) |
n = 8 | n = 7 | n = 14 | n = 9 | |||||||||||||
Aβ40, pg/mL | 484 (363–700) | 0.61 | 0.74 | 0.15 | 0.71 | 0.54 | 0.74 | 482 (382–546) | 0.24 | 0.71 | 0.84 | 0.84 | 358 (176–482) | 0.52 | 0.74 | 458 (245–563) |
n = 8 | n = 7 | n = 15 | n = 9 | |||||||||||||
Aβ42, pg/mL | 29.6 (21.6–43) | 0.54 | 0.64 | 0.10 | 0.60 | 0.32 | 0.64 | 30.0 (20.5–31.8) | 0.24 | 0.64 | >0.99 | >0.99 | 18.1 (6.02–25.7) | 0.48 | 0.64 | 30.2 (10.1–33.1) |
n = 8 | n = 7 | n = 15 | n = 9 | |||||||||||||
NfL, pg/mL | 811 (577–9700) | 0.53 | 0.96 | 0.80 | 0.96 | 0.52 | 0.96 | 2640 (1050–2650) | 0.96 | 0.96 | 0.65 | 0.96 | 1730 (714–4750) | 0.34 | 0.96 | 1130 (99.6–3480) |
n = 7 | n = 5 | n = 14 | n = 6 | |||||||||||||
Eotaxin-1, pg/mL | 49.8 (39.5–92.1) | 0.96 | >0.99 | 0.87 | >0.99 | 0.09* | 0.28 | 66.5 (20.9–115) | >0.99 | >0.99 | 0.07* | 0.28 | 54.1 (22.4–162) | 0.14 | 0.28 | 19.5 (13.5–46.4) |
n = 8 | n = 7 | n = 14 | n = 9 |
p, unadjusted p value; p#, p value after adjusting for multiple comparisons testing. *p < 0.10; **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; pg/mL, picograms per milliliter; U/mL, units per milliliter.