Comparison of subject demographics and habitual diet characteristics between IBS and healthy cohorts
| IBS (n=27) | Healthy controls (n=6) | p Value | |
|---|---|---|---|
| Demographics | |||
| Female* | 21 (78%) | 5 (83%) | NS |
| Age (years)† | 43 (29–54) | 31 (23–61) | NS |
| Body mass index (kg/m2)† | 24 (23–27) | 24 (23–29) | NS |
| Habitual dietary intake | |||
| Energy (MJ) | 9.1 (8.3 to 10) | 8.3 (7.1 to 9.5) | NS |
| Protein (g) | 94.7 (84.3 to 105) | 91.4 (72.3 to 110) | NS |
| Fat (g) | 87.6 (76.9 to 98.3) | 81.7 (63.2 to 100) | NS |
| Carbohydrate (g) | 236 (207 to 266) | 204 (144 to 264) | NS |
| Sugars (g) | 110 (88.8 to 130) | 93.4 (58.4 to 128) | NS |
| Starch (g) | 140 (124 to 157) | 118 (76.8 to 160) | NS |
| Fibre (g) | 24.1 (21.2 to 27.0) | 22.5 (17.6 to 27.3) | NS |
| Total FODMAPs (g)‡ | 16.6 (14.2 to 18.9) | 18.2 (11.9 to 24.9) | NS |
| Oligosaccharides (g) | 3.9 (3.3 to 4.4) | 3.9 (3.2 to 4.7) | NS |
| Polyols (g) | 1.6 (1.2 to 2.1) | 2.5 (1.1 to 4.0) | NS |
| Lactose (g) | 11.1 (8.7 to 13.5) | 11.8 (6.1 to 17.4) | NS |
| Fructose (g) | 18.7 (14.1 to 23.3) | 16.5 (7.1 to 25.9) | NS |
| Glucose (g) | 24.0 (17.7 to 30.3) | 22.6 (12.9 to 32.4) | NS |
Data are presented as mean (95% CI) and compared by unpaired t test except where specified.
*n (percentage of total); Fisher's exact analysis used.
†Median (IQR).
‡Total FODMAP content does not include fructose in excess of glucose which cannot be estimated from Foodworks program.
FODMAP, Fermentable Oligosaccharides, Disaccharides, Monosaccharides And Polyols; NS, not significant.