Table 1.
Changes in symptom scores
| Placebo (n = 31) | Probiotics (n = 32) | |
|---|---|---|
| Abdominal pain | ||
| Baseline (± SD) | 35.5 (± 8.9) | 42.5 (± 11.4) |
| Δ 4 week | − 15.1 | − 20.0 |
| Δ 8 week | − 18.2 | − 23.3 |
| Bloating | ||
| Baseline (± SD) | 37.4 (± 15.1) | 40.2 (± 18.9) |
| Δ 4 week | − 15.3 | − 25.1 |
| Δ 8 week | − 16.2 | − 27.2 |
| Defecation discomfort | ||
| Baseline (± SD) | 51.1 (± 22.8) | 50.0 (± 20.5) |
| Δ 4 week | − 20.7 | − 26.3 |
| Δ 8 week | − 21.4 | − 29.1* |
| Stool frequency | ||
| Baseline (± SD) | 8.1 (± 2.1) | 7.5 (± 3.5) |
| Δ 8 week | 0.7 | − 1.3* |
| Stool consistency | ||
| Baseline (± SD) | 5.1 (± 2.2) | 5.3 (± 1.2) |
| Δ 8 week | 0.35 | − 0.1 |
Abdominal pain, bloating, defecation discomfort, stool frequency, and stool consistency after probiotics and placebo administrations for 4 and 8 weeks
*p < 0.05 versus placebo group