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Table 4 Concentration range of the biomarkers (with median)

From: No diurnal variation of classical and candidate biomarkers of Alzheimer’s disease in CSF

Biomarker Median (IQR) Min - Max
38 MSD (pg/mL) 990.9 (440.1–1396.0) 33.3–2573.0
40 MSD (pg/mL) 2514.9 (1154.8–3356.5) 79.3–5880.5
42 MSD (pg/mL) 182.1 (54.1–266.6) 5.5–921.2
38 Euroimmun (pg/mL) 1247.7 (1120.9–1462.0) 277.5–2492.5
40 Euroimmun (pg/mL) 4669.0 (3605.0–5305.0) 1487.0–9382.2
42 Euroimmun (pg/mL) 337.9 (191.9–521.8) 70.6–1253.4
t-tau Euroimmun (pg/mL) 464.7 (223.0–917.6) 29.3–1501.0
42 Fujirebio (pg/mL) 568.0 (294.5–786.0) 91.0–1507.0
t-tau Fujirebio (pg/mL) 319.0 (180.2–742.2) 72.0–1832.0
p-tau (pg/mL) 43.0 (30.3–52.8) 15.0–113.0
sAPPα (ng/mL) 60.4 (32.5–178.8) 4.3–429.6
sAPPβ (ng/mL) 66.4 (25.5–175.0) 1.4–313.6
YKL-40 (ng/mL) 264.6 (151.9–348.4) 65.4–1020.0
VILIP-1 (pg/mL) 113.5 (99.0–135.0) 72.0–781.0
Neurogranin (pg/mL) 354.5 (275.9–435.4) 46.3–1291.1
ApoE (ng/mL) 24.5 (18.8–44.4) 3.4–104.2