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Sensitivity, Specificity, PPV, and NPV of TST, QFT-GIT, and T-SPOT for Predicting Progression to Tuberculosis, Based on Incident Disease
| Test | Sensitivity, % (95% CI) | Specificity, % (95% CI) | PPV, % (95% CI) | NPV, % (95% CI) |
|---|---|---|---|---|
|
| ||||
| TST | 50.0 (15.0–85.0) | 73.4 (71.9–74.8) | 0.2 (0.1–0.8) | 99.9 (99.7–100.0) |
| QFT-GIT | 75.0 (30.1–95.4) | 90.1 (89.1–91.1) | 0.9 (0.3–2.5) | 100.0 (99.8–100.0) |
| T-SPOT | 50.0 (15.0–85.0) | 92.9 (92.0–93.7) | 0.8 (0.2–2.9) | 99.9 (99.8–100.0) |
