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Test Performance of faecal markers.
| Test | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
| BAFF | ||||
| IBD vs. IBS | 84% | 100% | 100% | 64% |
| CD vs. IBS | 82% | 100% | 100% | 77% |
| UC vs. IBS | 86% | 100% | 100% | 79% |
| Calprotectin | ||||
| IBD vs. IBS | 76% | 93% | 97% | 53% |
| CD vs. IBS | 75% | 93% | 94% | 69% |
| UC vs. IBS | 78% | 93% | 95% | 69% |
| FOBT | ||||
| IBD vs. IBS | 65% | 93% | 97% | 43% |
| CD vs. IBS | 41% | 93% | 90% | 49% |
| UC vs. IBS | 86% | 93% | 95% | 78% |
PPV, positive predictive value; NPV,negative predictive value.
