Characteristics of the mild-to-moderate and severe Crohn's disease (CD) groups at the end of follow-up
| Mild-to-moderate 15-year CD | Severe 15-year CD | p Value | |
| N | 279 | 321 | |
| Deceased, % | 6 (2) | 29 (9) | NA |
| Age | 49 (42–59) | 45 (38–52) | <0.0001 |
| Post-Surgical Handicap Index | 19 (0–30) | 20 (0–37) | 0.016 |
| Permanent stoma, % | 23 (8) | 53 (17) | 0.002 |
All quantitative data are given as median (IQR).
NA, not applicable (item linked to the post hoc classification).