Table 1

Demographics of cohorts during diet interventions

Low FODMAP dietTraditional IBS diet
RespondersNon-respondersRespondersNon-responders
(n=19)(n=12)(n=16)(n=14)
Sex (F/M)(18/1)(8/4)(15/1)(10/4)
Age, years*51 (37–63)40 (27–59)35 (24–49)50 (30–63)
Body mass index, kg/m2*24 (21–25)24 (21–30)24 (21–26)22 (21–28)
IBS subtype during screening period (number of patients)
 IBS-C4427
 IBS-D7423
 IBS-nonCnonD84124
IBS severity based on IBS-SSS during screening period (number of patients)
 Moderate6467
 Severe138107
  • *Data shown as median (25–75th percentile).

  • FODMAP, fermentable oligosaccharides, disaccharides, monosaccharides and polyols; IBS-C, constipation-predominant IBS; IBS-D, diarrhoea-predominant IBS; IBS-nonCnonD, IBS with mixed loose and hard stools (IBS-M) or unsubtyped IBS (IBS-U); IBS-SSS, IBS Symptom Severity Score.