Table 1 Demographic data
GroupNumber of patientsAge mean (range)Sex ratio (M/F)
IBS-D24 (+7)49 (19–75)9/42
IBS-C18 (+4)
IBS-A10 (+3)
UC17 (+2)41 (18–79)6/11
INF23 (+18)52 (19–90)12/11
Healthy subjects25 (+10)44 (30–65)4/21
  • Numbers in parentheses represent additional patients enrolled compared with our previous study.2

  • IBS-A, alternating pattern irritable bowel syndrome; IBS-C, constipation-predominant irritable bowel syndrome; IBS-D, diarrhoea-predominant irritable bowel syndrome; INF, infectious acute diarrhoea; UC, ulcerative colitis.