Table 2.
The mean scores of daily symptoms and stool consistency. Intention-to-treat population.
| Group | Mean baseline (±s.d.) | P | Mean week 2 (±s.d.) | Mean CBTW2 (±s.d.) | ||
|---|---|---|---|---|---|---|
| Daily abdominal pain frequency per week | Control (n = 29) | 4.8 (1) | 0.58 | 3 (1.8)¶ | 1.8 (1.8) | |
| Intervention (n = 31) | 4.9 (0.9) | 1 (1.2)∗∗∗¶ | 3.8 (1.4)∗∗∗ | |||
|
| ||||||
| Daily abdominal bloating frequency per week | Control (n = 29) | 4.9 (1.2) | 0.61 | 2.9 (1.7)¶ | 2 (1.7) | |
| Intervention (n = 31) | 5 (1) | 0.8 (1.1)∗∗∗¶ | 4.2 (1.6)∗∗∗ | |||
|
| ||||||
| Stool frequency per day | IBS-D | Control (n = 12) | 4 (0.4) | 0.47 | 3.2 (0.4) | 0.7 (0.5) |
| Intervention (n = 11) | 4.2 (0.6) | 2.2 (0.3)∗∗∗ | 1.9 (0.7)∗∗ | |||
| IBS-C | Control (n = 6) | 0.8 (0.4) | 0.66 | 0.9 (0.2) | 0.04 (0.2) | |
| Intervention (n = 8) | 0.7 (0.3) | 1.8 (0.7)∗∗ | 1 (0.5)∗∗ | |||
| IBS-M/U | Control (n = 11) | 2.6 (0.5) | 0.37 | 1.9 (0.2) | 0.6 (0.5) | |
| Intervention (n = 12) | 2.7 (0.6) | 2.5 (0.4)∗∗ | 0.1 (0.7) | |||
|
| ||||||
| Stool consistency | IBS-D | Control (n = 12) | 5.1 (0.56) | 0.68 | 4.6 (0.42) | 0.4 (0.3) |
| Intervention (n = 11) | 5.2 (0.6) | 4.3 (0.11)∗∗ | 0.8 (0.5)∗ | |||
| IBS-C | Control (n = 6) | 3 (0.31) | 0.78 | 3 (0.12) | 0.01 (0.3) | |
| Intervention (n = 8) | 2.9 (0.30) | 3.6 (0.49)∗∗ | 0.6 (0.3)∗∗ | |||
| IBS-M/U | Control (n = 11) | 4.1 (0.22) | 0.51 | 3.6 (0.37) | 0.4 (0.5) | |
| Intervention (n = 12) | 4 (0.37) | 4.1 (0.18)∗ | 0.09 (0.3)∗ | |||
P: P value; mean CBTW2: mean change baseline to week 2; control: hyoscine; intervention: herbal medicine. ∗P < 0.05, control vs. intervention; ∗∗P < 0.01, control vs. intervention; ∗∗∗P < 0.001, control vs. intervention; ¶P < 0.001, week 2 vs. baseline.