From: Evaluation of in-house PCR for diagnosis of smear-negative pulmonary tuberculosis in Kampala, Uganda
Performance Indices | Index value | 95% CI |
---|---|---|
Sensitivity | 75% | 62.6-85.0 |
Specificity | 35.9% | 27.2-45.3 |
Positive Predictive Value | 39% | 30.4-48.2 |
Negative Predictive Value | 72.4% | 59.1-83.3 |
Diagnostic Likelihood ratio (Positive) | 1.17 | 0.96-1.42 |
Diagnostic Likelihood ratio (Negative) | 0.70 | 0.43-1.14 |