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

Figure 3

ROC analysis for CgA cell density as measured relative to the area of the epithelium in (a) IBS-total, (b) IBS-D, (c) IBS-M, and (d) IBS-C.

(a)

(b)

(c)

(d)