Fig. 2From: Parkinson's disease peripheral immune biomarker profile: a multicentre, cross-sectional and longitudinal studyDistribution of CXCL12, IL-8, CX3CL1 and CCL15 between HC and iRBD participants. a Levels of CXCL12 between HC and iRBD participants measured by MSD assay. b Levels of IL-8 between HC and iRBD participants measured by MSD assay. c Levels of CX3CL1 between HC and iRBD participants measured by MSD assay. d Between HC and iRBD participants measured by MSD assay.**p < 0.01, ****p < 0.0001Back to article page