Table 2.

Visceral sensation thresholds in patients with diarrhea-predominant irritable bowel syndrome and healthy controls

Visceral sensation threshold in mL	IBS-D patients, n = 23	Controls, n = 15	P value
First sensation threshold	40 (20, 50)	40 (35, 60)	0.235
Defecating sensation threshold	60 (50, 85)	70 (65, 100)	0.073
Maximum sensation threshold	105 (90, 120)	160 (145, 190)	< 0.001

The data are expressed as median (Q1, Q3). IBS-D: Irritable bowel syndrome with predominant diarrhea.