Statistical comparison of IBD investigations
| Investigation | Sensitivity | Specificity | Positive Predictive Value | Negative Predictive Value |
|---|---|---|---|---|
| Alpha-1-Glycoprotein >1.1 g/L | 72.7% | 75.8% | 50% | 89% |
| Alpha-1-Glycoprotein >2g/L | 70% | 94% | 78.7% | 91.4% |
| Erythrocyte Sedimentation Rate | 72.7% | 68.2% | 53.3% | 83.3% |
| Faecal Calprotectin | 100% | 33% | 66.7% | 100% |
| C-Reactive Protein | 72.7% | 89% | 72% | 89% |