. Age but not diagnosis is the main predictor of plasma amyloid beta-protein levels. Arch Neurol. 2003 Jul;60(7):958-64. PubMed.

AlzBiomarker Database

Meta-Analysis

Curated Study Data

Biomarker
(Source)
Cohort
(N)
Measurement
Mean ± SD
Method;
Assay Name;
Manufacturer
Diagnostic
Criteria
Aβ40
(Plasma)
AD
(146)
52.4 ± 17.5
pmol/L
ELISA;
Other/Not Specified;
In-house
McKhann et al., 1984
Aβ40
(Plasma)
CTRL-
Other controls
(92)
48.9 ± 17.2
pmol/L
ELISA;
Other/Not Specified;
In-house
Aβ42
(Plasma)
AD
(146)
7.4 ± 5.4
pmol/L
ELISA;
Other/Not Specified;
In-house
McKhann et al., 1984
Aβ42
(Plasma)
CTRL-
Other controls
(92)
7 ± 3.1
pmol/L
ELISA;
Other/Not Specified;
In-house

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