Figure 6From: Genome-wide association reveals genetic effects on human Aβ 42 and τ protein levels in cerebrospinal fluids: a case control study Boxplots of the APOE ε4 copy number with CSF biomarkers in normal, MCI and AD subjects. The x-axis indicates number of APOE ε4 alleles and y-axis indicates CSF biomarkers. P-values are produced by the Kruskal-Wallis test.Back to article page