Table 2 Performance of TB routine examination for TB diagnosis
| Â | Sensitivity (95%CI) | Specificity (95%CI) | PPV (95%CI) | NPV (95%CI) |
|---|---|---|---|---|
TB routine examination (culture as the reference test) | 85 (77–91) | 86.3 (81.1–90.5) | 75.6 (68.9–81.3) | 92 (88.1–94.7) |
TB routine examination (composite reference standard as the reference test) | 90 (83.8–94.4) | 99.5 (97.2–99.9) | 99.2 (94.7–99.9) | 93.4 (89.6–95.9) |