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Diagnostic performance of the LiPA compared to PZA susceptibility testing
| Result by PZA susceptibility test | No. of M. tuberculosis clinical isolates (n = 258) | LiPA result
|
Sensitivity (%) | Specificity (%) | Predictive value (%)
|
||
|---|---|---|---|---|---|---|---|
| No. resistant | No. susceptible | Positive | Negative | ||||
| Resistant | 30 | 30 | 0 | 100 | 100 | 100 | 100 |
| Susceptible | 228 | 0 | 228a | ||||
Includes nine isolates with a silent mutation in pncA.
