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Crohn's disease activity, faecal calprotectin levels and subsequent clinical outcomes
| Crohn's disease activity | Mean faecal calprotectin (mcg/g) (SEM) |
Number | Symptomatic at assessment (%) | Mean duration of review (months) (SEM) |
Subsequent escalation of treatment (%) | |
|---|---|---|---|---|---|---|
| Medical | Surgical | |||||
| Quiescent | 105 (19) | 19 | 0 | 16.5 (2.4) | 0 | 5 |
| Mild | 282 (71) | 14 | 0 | 11.7 (2.5) | 14 | 7 |
| Moderate | 611 (80) | 14 | 54 | 7.5 (1.6) | 43 | 14 |
| Severe | 1314 (224) | 24 | 100 | 9.5 (1.5) | 54 | 25 |
