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Fig. 1 | Alzheimer's Research & Therapy

Fig. 1

From: Alzheimer’s disease cerebrospinal fluid biomarkers are not influenced by gravity drip or aspiration extraction methodology

Fig. 1

a-c Bland-Altman plots confirming good agreement between the two collection methods. d-f Concordance correlations between the methodologies showed strong reproducibility for Aβ42, t-tau, and p-tau. g-i The median and interquartile range for each biomarker value divided by each clinical classification (gravity = black; aspiration = grey)

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Alzheimer's Research & Therapy

ISSN: 1758-9193