Fecal calprotectin and severity of mucosal damage. Boxplots (median, 25th and 75th percentile) of fecal calprotectin values in patients with normal endoscopic findings (normal), gastric erosions (erosion), gastric ulcer (ulcer), and gastric cancer (carcinoma). * P < 0.001 against normal, # P = 0.002 against normal, § P = 0.157 against ulcer, † P = 0.027 against carcinoma, $ P = 0.088 against carcinoma.
Manz et al. BMC Gastroenterology 2012 12:5 doi:10.1186/1471-230X-12-5