Fig. 1

Location of abdominal pain and abdominal discomfort in patients with IBS-D for the pain and discomfort groups. Abdominal pain /discomfort is more located around the navel in the abdominal pain group than in the abdominal discomfort group (χ² = 4.200, P = 0.04). Numbers (percentage) are shown in figures. *P < 0.05. IBS-D, irritable bowel syndrome with diarrhea