Table 4.
Interpretation of scores: sensitivity analysis on IBS PGI-C.
| Score | Anchor-based estimations Mean (SD) |
|---|---|
| IBS PGI-C n = 61 | |
| Diary score (mean) | |
| Abdominal pain | −2.32 (1.29) |
| Stomach pain | −2.25 (1.31) |
| Abdominal cramps | −2.26 (1.45) |
| Abdominal pressure | −2.25 (1.23) |
| Bloating | −2.11 (1.49) |
| Frequency of gas | −0.62 (0.78) |
| Summary score (five item) | −2.24 (1.22) |
| Summary score (four item) | −2.24 (1.23) |
| Summary score (three item) | −2.28 (1.23) |
| Event Log average daily score | |
| Number of events | −0.80 (0.99) |
| Immediacy of need (mean) | −0.71 (0.76) |
| Consistency (mean) | −0.95 (0.97) |
| Percentage of completely emptied bowels | 21.39 (30.86) |
IBS-D, diarrhea-predominant irritable bowel syndrome; IBS PGI-C, IBS Patient Global Impression of Change; SD, standard deviation.