Table 1.
Diagnostic accuracy of the classic and modified resazurin microtiter assay versus the MTBDR Plus Hain assay for detection of drug resistant Mycobacterium tuberculosis
| Sensitivity | Specificity | |||
|---|---|---|---|---|
| x/y (%) | 95% CI | x/y (%) | 95% CI | |
| RIF | ||||
| Classic REMA | 2/2 (100) | 15.8 - 100 | 79/79 (100) | 95.4 - 100 |
| Modified REMA | 2/2 (100) | 15.8 - 100 | 37/79 (46.8) | 35.5 - 58.4 |
| INH | ||||
| Classic REMA | 2/2 (100) | 15.8 - 100 | 79/79 (100) | 95.4 - 100 |
| Modified REMA | 2/2 (100) | 15.8 - 100 | 11/79 (13.9) | 7.2 - 23.5 |
RIF: rifampicin: INH- isoniazid; REMA: resazurin microtiter assay.