Table 2.
Characterization of irritable bowel syndrome in patient population.
| Parameter | Group | ||
|---|---|---|---|
| Control (n = 10, ♀ = 2, ♂ = 8) | IBS (n = 20, ♀ = 14, ♂ = 6) | p | |
| IBS subgroup | |||
| Diarrhea | n.a. | 14 | n.a. |
| Constipation | n.a. | 2 | |
| Mixed | n.a. | 3 | |
| Unsubtyped | n.a. | 1 | |
| Duration of disease | |||
| Duration (years) | n.a. | 6.1 ± 1.5 (1–22) | n.a. |
| Severity | |||
| IBS Symptom Severity Score | 27.7 ± 9.0 (0–72) | 314.2 ± 21.2 (124–486) | <0.001 |
| IBS-SSS grade | <0.001 | ||
| 0 | 10 | 0 (0%) | |
| 1 | 0 | 2 (10%) | |
| 2 | 0 | 8 (40%) | |
| 3 | 0 | 10 (50%) | |
| 4 | 0 | 0 (0%) | |
Data are presented as mean ± sem, the range is indicated in parentheses; alternatively, data are indicated as total number and percentage values in parentheses. Normality was assessed using the Kolmogorow-Smirnov test. Differences were assessed using χ2-tests or t-tests. Significant differences are displayed in bold. IBS, irritable bowel syndrome; IBS-SSS, IBS Symptom Severity Score; n.a., not applicable.