Table 1.
Critical concentrations and critical proportions of anti-TB drugs for DST using the proportion method in Löwenstein–Jensen media
| Drug | Solvent | Critical concentration (μg/mL) | Critical proportion (%) |
|---|---|---|---|
|
| |||
| Rifampicin | DMF | 40 | 1 |
| Isoniazid | DW | 0.2 | 1 |
| Ethambutol | DW | 2 | 1 |
| Streptomycin | DW | 4 | 1 |
| Gatifloxacin | 0.1 mol/L HCl | 2 | 1 |
| Levofloxacin | DW | 2 | 1 |
| Moxifloxacin | DW | 2 | 1 |
| Amikacin | DW | 30 | 1 |
| Capreomycin | DW | 40 | 1 |
| Kanamycin | DW | 30 | 1 |
Abbreviations: DMF, dimethylformamide; DST, drug susceptibility testing; DW, sterile distilled water; TB, tuberculosis.