Clinically significant finding | AUC (95%CI) | Cut-off (μg/g) | Sens (%) | Spec (%) | LR+ | LR- | NPV (%) | PPV (%) | Accuracy (%) |
---|---|---|---|---|---|---|---|---|---|
Overall | 0.877 (0.85 - 0.90) | 50 | 73 | 93 | 10.8 | 0.29 | 88 | 84 | 85 |
Upper gastrointestinal tract | 0.730 (0.66 - 0.79) | 48 | 59 | 82 | 3.2 | 0.50 | 75 | 68 | 71 |
Lower gastrointestinal tract | 0.912 (0.88 - 0.94) | 50 | 84 | 92 | 10.6 | 0.17 | 82 | 93 | 89 |