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Diagnostic ability of KL-6 measurement of bile for differentiating biliary tract cancer from benign biliary disease.
| Optimal cut-off values,% | Sensitivity, % | Specificity, % | PPV, % | NPV, % | Accuracy, % | |
|---|---|---|---|---|---|---|
| KL-6, U/ml | 8.6 | 72 | 89 | 90 | 70 | 79 |
PPV, positive predictive value; NPV, negative predictive value.
