Crohn's disease activity and faecal calprotectin levels with or without prior surgery
| Disease activity | Mean faecal calprotectin (SEM) | p Value | |
|---|---|---|---|
| Previous resection/stricturoplasty | |||
| No | Yes | ||
| Quiescent | 120 (25) | 89 (34) | ns |
| Mild | 365 (124) | 199 (63) | ns |
| Moderate | 569 (124) | 612 (120) | ns |
| Severe | 1463 (336) | 987 (196) | ns |