Table 2 Paired comparison of minimum inhibitor concentrations of Rifampicin for the modified and classic resazurin microtiter assays for detection of drug susceptibility in Mycobacterium tuberculosis
| Â | Rifampicin | |||||||
|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Modified REMA MIC | |||||
|  | MIC | 0.0625 | 0.125 | 0.25 | 0.5 | 1 | 2 | ≥4 |
Classic REMA MIC | 0.0625 | 6 | 4 | 6 | 4 | 4 | 1 | 2 |
0.125 | 2 | 0 | 0 | 9 | 2 | 1 | 1 | |
0.25 | 1 | 0 | 1 | 3 | 2 | 0 | 8 | |
0.5 | 0 | 0 | 0 | 1 | 2 | 0 | 19 | |
1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
≥4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |