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Sensitivity and specificity per trimester for disease activity on IUS vs reference standard
| Trimester 1 (n = 22) | Trimester 2 (n = 23) | Trimester 3 (n = 20) | |
|---|---|---|---|
| Sensitivity | 83.3% | 92.3% | 66.6% |
| Specificity | 93.8% | 100% | 100% |
| AUROC (95% CI) | 0.891 (0.702–1.000), P = .006 | 0.923 (0.802–1.000), P < .0001 | 0.813 (0.591–1.000), P = .021 |
Active disease defined as fecal calprotectin ≥250 µg/g or fecal calprotectin ≥100 µg/g and HBI ≥4/SCCAI ≥3
