| UC | Ulcerative Colitis |
| IBD | Inflammatory Bowel Disease |
| IUS | Intestinal Ultrasound |
| FC | Faecal Calprotectin |
| BWT | Bowel Wall Thickness |
| CDS | Color Doppler Signal |
| ECCO | The European Crohn’s And Colitis Organization |
| TPs | True Positives |
| FPs | False Positives |
| FNs | False Negatives |
| TNs | And True Negatives |
| PPV | Positive Predictive Value |
| NPV | Negative Predictive Value |
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