Table 4.
Spearman correlation between individual BPI items and BPI dimensions.
| BPI item | Ulcerative colitis (n = 180) | Crohn's disease (n = 230) | ||
|---|---|---|---|---|
| BPI intensity dimension | BPI interference dimension | BPI intensity dimension | BPI interference dimension | |
| Pain worst | .93 | .86 | .92 | .84 |
| Pain least | .85 | .69 | .77 | .63 |
| Pain average | .92 | .77 | .88 | .70 |
| Pain now | .90 | .79 | .86 | .74 |
| General activity | .83 | .95 | .82 | .94 |
| Mood | .83 | .93 | .78 | .94 |
| Walking | .53 | .67 | .52 | .61 |
| Work | .75 | .91 | .74 | .91 |
| Relationship with others | .77 | .89 | .73 | .88 |
| Sleep | .71 | .81 | .70 | .83 |
| Enjoy | .79 | .94 | .75 | .90 |
BPI: brief pain inventory. Highest correlation is in bold face.