Faecal calprotectin in different patient groups. Individual and median levels of faecal calprotectin in patients with systemic sclerosis (SSc) n = 93, primary Sjögren’s syndrome (pSS) n = 44, rheumatoid arthritis (RA) n = 24 and healthy controls n = 21. Please note the logarithmic scale on the y-axis.
Andréasson et al. Arthritis Research & Therapy 2014 16:R46 doi:10.1186/ar4475