Fig. 1From: Serum S100A8/A9 concentrations are associated with neuropsychiatric involvement in systemic lupus erythematosus: a cross-sectional studySerum S100A8/A9 concentrations between groups. The boxplots illustrate medians, quartalies and ranges of serum S100A8/A9 concentrations between groups [µg/ml]. a SLE patients versus healthy controls. b–d NPSLE patients versus non-NPSLE patients according to three NPSLE attribution models (b ACR model, c SLICC A model, d SLICC B model)Back to article page