Table 2.
Groups | CSF biomarker levels, median (95% CI) | ||||||
---|---|---|---|---|---|---|---|
Aβ42 | Aβ40 | T-tau | P-tau | T-tau/Aβ42 | P-tau/Aβ42 | Aβ42/Aβ40 | |
Luminex-AlzBio3 | |||||||
CN | 573.2 (511.3–600.6) | n.d. | 46.1 (42.1–55.4) | 16.1 (13.7–18.6) | 0.09 (0.08–0.10) | 0.03 (0.03–0.03) | n.d. |
SCD | 520.3 (484.2–570.5) | n.d. | 46.0 (41.4–55.6) | 16.9 (14.0–20.1) | 0.09 (0.08–0.11) | 0.03 (0.03–0.04) | n.d. |
MCI | 411.2 a,b (282.8–541.1) | n.d. | 48.4 (42.0–63.0) | 21.2 (15.1–25.5) | 0.12 (0.08–0.18) | 0.05 a (0.03–0.08) | n.d. |
AD | 258.9 a,b,c (234.0–305.0) | n.d. | 81.6 a,b,c (67.4–127.2) | 32.5 a,b (28.9–51.5) | 0.36 a,b,c (0.24–0.57) | 0.14 a,b,c (0.12–0.22) | n.d. |
INNOTEST | |||||||
CN | 756.7 (583.8–879.8) | 6724 (5160–9070) | 195.0 (156.1–239.7) | 38.5 (35.0–49.7) | 0.26 (0.23–0.32) | 0.05 (0.05–0.07) | 0.11 (0.09–0.12) |
SCD | 794.9 (642.0–950.7) | 7405 (6388–9565) | 199.5 (145.6–270.4) | 43.8 (34.6–50.1) | 0.26 (0.20–0.31) | 0.05 (0.04–0.06) | 0.10 (0.09–0.12) |
MCI | 565.1 b (390.4–734.9) | 7158 (5551–8164) | 207.7 (156.3–291.5) | 46.4 (34.1–53.6) | 0.31 (0.23–0.66) | 0.07 (0.05–0.12) | 0.09 (0.06–0.12) |
AD | 407.5 a,b,c (328.1–412.0) | 6504 (5664–8218) | 548.0 a,b,c (389.4–832.0) | 72.5 a,b,c (56.9–113.8) | 1.55 a,b,c (0.95–2.71) | 0.24 a,b,c (0.14–0.38) | 0.05 a,b,c (0.05–0.07) |
Lumipulse | |||||||
CN | 1104 (850.2–1340) | 12,521 (10583–14,851) | 224.0 (176.0–254.8) | 28.7 (22.9–33.5) | 0.20 (0.16–0.24) | 0.03 (0.02–0.03) | 0.09 (0.08–0.09) |
SCD | 958.9 (763.9–1148) | 12,098 (10655–13,956) | 221.5 (174.8–284.5) | 28.3 (25.0–37.6) | 0.21 (0.17–0.27) | 0.03 (0.03–0.03) | 0.09 (0.08–0.09) |
MCI | 651.4 a,b (465.1–884.6) | 10,686 (9385–12,829) | 253.0 (192.0–342.0) | 35.0 (24.7–52.1) | 0.29 a (0.22–0.83) | 0.04 a,b (0.03–0.12) | 0.07 a,b (0.04–0.09) |
AD | 497.9 a,b (407.6–527.7) | 11,735 (9603–12,385) | 544.0 a,b,c (448.0–735.8) | 89.8 a,b,c (66.3–115.7) | 1.35 a,b,c (4.03–1.63) | 0.22 a,b,c (0.15–0.26) | 0.04 a,b,c (0.04–0.05) |
aP < 0.05 versus CN; bP < 0.05 versus SCD; cP < 0.05 versus MCI by Dunn’s multiple comparison following Kruskal–Wallis test