Table 6 Prediction of MDR-TB using rifampicin and isoniazid results
From: Can resistance to either isoniazid or rifampicin predict multidrug resistance tuberculosis (MDR-TB)
Decision statistics | Rifampicin results | Isoniazid results | p—value | ||
|---|---|---|---|---|---|
Estimate (%) | 95% CI | Estimate (%) | 95% CI | ||
Sensitivity | 100.0 | 81.5–100 | 100.0 | 81.5–100.0 | – |
Specificity | 96.3 | 93.5–98.1 | 98.3 | 96.1–99.5 | 0.134 |
Diagnostic accuracy | 96.5 | 93.8–98.2 | 98.4 | 96.3–99.5 | – |
Positive predictive value | 62.1 | 42.3–79.3 | 78.3 | 56.3–92.5 | 0.122 |
Negative predictive value | 100.0 | 98.7–100.0 | 100.0 | 98.7–100.0 | – |