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Performance characteristics of CA 19-9 and CEMIP.
| Test | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|
| CA 19-9 | 75.6 | 93.8 | 98.7 | 36.8 |
| CEMIP | 92.9 | 59.2 | 93.7 | 55.7 |
| CEMIP + CA 19-9 | 96.6 | 59.2 | 94.0 | 72.5 |
PPV, Positive predictive value; NPV, Negative predictive value; CA 19-9, Carbohydrate antigen 19-9.
