. Author manuscript; available in PMC: 2019 Sep 1.

Published in final edited form as: Alzheimers Dement. 2018 Jul 23;14(9):1159–1170. doi: 10.1016/j.jalz.2018.05.004

Table 2.

Cerebrospinal Fluid Biomarker Concentrations

	t-tau (pg/ml)	p-tau₁₈₁ (pg/ml)	Aβ_1–42 (pg/ml)	p-tau₁₈₁/t-tau Ratio	sTREM2 (ng/ml)
NFL Players (n = 68)
Median	29.50	17.00	362.00	0.57	3.03
Mean (SD)	32.81 (12.97)	18.34 (9.46)	362.75 (8.73)	0.59 (0.27)	3.50 (1.91)
95% CI	29.67, 35.95	16.05, 20.63	345.32, 380.18	0.52, 0.65	3.03, 3.96
Controls (n = 21)
Median	36.00	22.00	425.00	0.69	4.11
Mean (SD)	36.57 (14.12)	22.62 (9.51)	409.05 (78.74)	0.66 (0.24)	4.50 (1.74)
95% CI	30.15, 43.00	18.29, 26.95	373.20, 444.89	0.55, 0.76	3.71, 5.30

Abbreviations: t-tau = total tau, p-tau₁₈₁ = hyperphosphorylated tau, Aβ = beta-amyloid.