Table 2: Levels of direct and calculated markers in each group of participants.

MarkerHCMCIAD
Direct MeanCVRange MeanCVRange MeanCVRange

UP Aβ1-401615.4M47.4 2.2–33.3744.7H102.714.4–133.61532.2152.57.2–203.2
DP Aβ1-401656.4M36.221.4–104.37124.6H86.954.5–339.615115.4137.312.0–645.7
CB Aβ1-4016 28.814.5–89.27 54.763.7–211.215103.388.215.3–328.6
UP Aβ1-4216 38.73.7–16.97 96.88.6–67.41523.3206.04.5–195.3
DP Aβ1-421640.1M32.220.5–78.6775.2H66.534.9–151.51596.5183.322.3–728.5
CB Aβ1-421658.7A23.228.4–76.8779.835.562.9–141.91589.8H59.052.6–262.6

Calculated

UP Aβ-42/Aβ40160.785.70.1–2.970.616.70.5–0.7150.650.00.3–1.2
DP Aβ-42/Aβ40160.825.00.3–1.570.714.30.4–0.9150.955.50.4–2.6
CB Aβ-42/Aβ40161.163.60.4–3.770.8 25.00.4–1.1151.266.70.4–3.8
T4016115.7M29.235.9–175.47232.0H71.7118.2–550.815218.8109.827.3–946.5
T421698.8A,M24.759.7–155.57155.0H48.3103.9–293.415186.3H122.074.9–991.0
T-βAPB16214.5M22.1121.8–307.27387.0H60.1222.8–77815405.1113.1116.6–1937

All values are expressed in pg/mL. H, M, and A mean significant ( ) with regard to HC, MCI and AD respectively. *means .