Repeated testing of faecal calprotectin in systemic sclerosis. Faecal calprotectin at time point 2 as a function of faecal calprotectin at time point 1 in 93 SSc patients. ICC = 0.69 (95% CI: 0.57 to 0.78). Please note the logarithmic scale on the x- and y-axis. CI, confidence interval; ICC, intra class correlation.
Andréasson et al. Arthritis Research & Therapy 2014 16:R46 doi:10.1186/ar4475