Table 6.
BPI sensitivity to change among patients reporting improved or worse symptoms from baseline.
| Ulcerative colitis | Crohn's disease | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Improved | Worse | Improved | Worse | |||||||||
| T1 (n = 20) | T2 (n = 20) | Cohen's d | T1 (n = 8) | T2 (n = 8) | Cohen's d | T1 (n = 14) | T2 (n = 14) | Cohen's d | T1 (n = 5) | T2 (n = 5) | Cohen's d | |
| BPI intensity | 10.0 (7.7) | 9.2 (6.5) | 0.11 | 9.4 (10.4) | 10.4 (8.6) | −0.10 | 12.9 (6.5) | 8.8 (6.3) | 0.64 | 10.5 (5.9) | 14.5 (5.7) | −0.68 |
| BPI interference | 18.5 (20.2) | 13.6 (16.6) | 0.26 | 16.0 (16.6) | 16.4 (18.5) | −0.02 | 27.9 (20.5) | 15.8 (17.1) | 0.64 | 17.5 (16.5) | 22.3 (19.9) | −0.26 |
BPI: brief pain inventory, T1: baseline, T2: retest (4–6 weeks after baseline). Figures in mean and standard deviation. Cohen's d effect size: 0.2 small, 0.5 moderate, and 0.8 large.