Table 3.
GenoType MTBDRplus and GenoType MTBDRsl assays characteristics.
| Category | GenoType MTBDRplus | GenoType MTBDRsl | |||||
|---|---|---|---|---|---|---|---|
| INH | RIF | FQ | KAN | AMK | CAP | EMB | |
| Sensitivity (%) | 71.7 | 79.2 | 73.6 | 20 | 25 | 100 | 64.7 |
| Specificity (%) | NA | NA | NA | 85.4 | 88.9 | 90.2 | 50 |
| PPV (%) | 100 | 100 | 100 | 12.5 | 16.7 | 20 | 97 |
| NPV (%) | NA | NA | NA | 91.1 | 93 | 100 | 5.3 |
| Agreement (%) | 71.7 | 79.2 | 73.6 | 79.2 | 83.7 | 90.5 | 64.2 |
PPV, positive predictive value; NPV, negative predictive value; NA, non-applicable, none of the isolates had a negative result with upon conventional DST method, thus this measure could not be calculated.