Table 7. Performance assay of GeneXrept method when compared to LPA and Conventional- DST in detecting rifampicin (RIF) resistant isolates.
1LPA | 2Conventional DST | |
Sensitivity (%) | 99.5% | 99.5% |
Specificity (%) | 96.7% | 97.7% |
Accuracy (%) | 98.6% | 98.9% |
Positive predictive value (%) | 98.5% | 98.9% |
Negative predictive value (%) | 98.9% | 98.8% |
Comparison was carried out among 281 isolates.
Comparison was carried out among 276 isolates.