Endocrine cells in the oxyntic mucosa of the stomach in patients with irritable bowel syndrome

Figure 4 Serotonin cell densities (A) and serotonin immunoreactivity intensities (B) in IBS-total, IBS-D, IBS-M and IBS-C patients. ^aP < 0.05, ^bP < 0.01 vs controls. IBS: Irritable bowel syndrome; IBS-total: All patients with irritable bowel syndrome; IBS-D: Patients with diarrhea as the predominant syndrome; IBS-M: Patients with both diarrhea and constipation; IBS-C: Patients with constipation as the predominant syndrome.