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Diagnostic performance of T-SPOT.TB, QFT (≥0.55 IU/mL), and ascitic ADA.
| Assay item | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) |
|---|---|---|---|---|
| T-SPOT.TB | 94.52 | 70.37 | 63.3 | 96.0 |
| QFT (≥0.55 IU/mL) | 86.30 | 80.00 | 70.0 | 91.5 |
| Ascitic ADA | 90.00 | 96.77 | 97.3 | 88.2 |
Note: T-SPOT.TB: tuberculosis-infected T-cells spot test; QFT: Quanti FERON-TB; ADA: adenosine deaminase.
