Percentage of children in the four different groups having faecal calprotectin values <50 µg/g (normal), 50–100 µg/g (borderline) and >100 µg/g (increased) for the three different calprotectin assays
| Group 1: IBD active | Group 2: IBD in remission | Group 3: other GI disease | Group 4: controls | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test value (µg/g) | <50 | 50–100 | >100 | <50 | 50–100 | >100 | <50 | 50–100 | >100 | <50 | 50–100 | >100 |
| Test A | 2.3 | 0.8 | 96.9 | 56.5 | 17.7 | 25.8 | 24.4 | 11.1 | 64.4 | 82.1 | 10.5 | 7.5 |
| Test B | 2.3 | 2.3 | 95.4 | 54.8 | 12.9 | 32.3 | 31.1 | 20.0 | 48.9 | 85.1 | 10.5 | 4.5 |
| Test C | 1.5 | 1.5 | 96.9 | 45.2 | 14.5 | 40.3 | 24.4 | 13.3 | 62.2 | 62.7 | 20.9 | 16.4 |
GI, gastrointestinal; IBD, inflammatory bowel disease.