Fig. 1

Fig. 2

Fig. 3

Fig. 4

Characteristics of the study group
| n | 51 | ||
| female n (%) | 30 (58.8) | p = 0.08 | |
| male n (%) | 21 (41.2) | ||
| Age (years) | 52.6 ± 15.9 | ||
| female | 56.9 ± 14.2 | p = 0.02 | |
| male | 46.6 ± 16.5 | ||
| Severity of IBS | mild | 4 (7.8) | p = 0.55 |
| moderate | 25 (49.0) | ||
| severe | 22 (43.2) | ||
| Type of IBS | diarrhea | 35 (68.6) | p < 0.05 |
| constipation | 16 (31.4) |