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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