Table 2. Comparison of sensitivity, specificity and predictive values of the diagnostic methods used in the study.
| Variable | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
| ADA | 90% | 50% | 80% | 69% |
| PCR | 51% | 94% | 95% | 47% |
| Pleural Biopsy | 29% | 100% | 100% | 52% |
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