Fig. 1From: Serum calprotectin: a promising biomarker in rheumatoid arthritis and axial spondyloarthritisBoxplots of median and interquartile range of serum calprotectin level by diagnosis. The width of the boxplot reflects the size of the group. Abbreviations: RA, rheumatoid arthritis; AxSpA, axial spondyloarthritis; PsA, psoriatic arthritis; HC, healthy controlBack to article page