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Specificity, Sensitivity, PPV, and NPV (and Their 95% CI) for Fecal Calprotectin Assays in 148 Samples
| Kit | Sensitivity% (95% CI) | Specificity% (95% CI) | PPV% | NPV% | Cutoff (mg/kg) |
|---|---|---|---|---|---|
| CalFast | 86.4 (72.6–94.8) | 86.5 (78.5–92.4) | 73.1 | 93.8 | 100 |
| CalPrest | 88.6 (75.4–96.2) | 74 (64.5–82.1) | 59.1 | 93.9 | 100 |
| PhiCal | 93.2 (81.3–98.6) | 64.4 (54.5–73.6) | 53.6 | 95.7 | 50 |
