Duodenal Chromogranin A Cell Density as a Biomarker for the Diagnosis of Irritable Bowel Syndrome

Figure 1

CgA cell density expressed in relation to epithelial cells, measured (a) in ten randomly chosen fields, (b) as the number of cells per microscopic field in ten randomly chosen fields, and (c) as the number of cells per microscopic field in five randomly chosen fields in tissue samples taken from controls and IBS-total, IBS-D, IBS-M, and IBS-C patients. ^a𝑃<0.0001 versus control group.

(a)

(b)

(c)