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Diagnostic yield of endoscopic ultrasound (EUS)-guided fine needle aspiration (FNA) for biliary disease.
| Sensitivity | Specificity | PPV | NPV | Accuracy | |
|---|---|---|---|---|---|
| Biliary tract | 89% (16/18) | 100% (3/3) | 100% (16/16) | 60% (3/5) | 90% (19/21) |
| Hepatic hilum | 68% (15/22) | 100% (10/10) | 100% (15/15) | 36% (4/11) | 73% (19/26) |
| Total | 84% (31/37) | 100% (10/10) | 100% (31/31) | 63% (10/16) | 87% (41/47) |
PPV, positive predictive value; NPV, negative predictive value.
