Figure 2 | Scientific Reports

Figure 2

From: Evaluation of plasma levels of NFL, GFAP, UCHL1 and tau as Parkinson's disease biomarkers using multiplexed single molecule counting

Figure 2

Assessment of NFL, GFAP, tau and UCHL1 in plasma samples of PD patients and controls. Individual value plots display biomarker concentrations in plasma samples of the control (n = 30) and PD (n = 29) groups. Where indicated, concentration values were log transformed to achieve normality, and a Parametric t-test was used to assess differences in biomarker levels between groups. Parametric t-tests revealed no significant differences between plasma levels of (a) NFL, (b) GFAP and (c) tau levels. Further, a non-parametric t-test (Mann Whitney U) revealed no significant difference in levels of (d) UCHL1 in the PD group relative to the control. Graphs also display the mean ± SEM.

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