TABLE 1.
Concentrations of drugs used for susceptibility testing
| Drug | Concn(s) (mg/liter) used for testing in the following system:
|
|
|---|---|---|
| Bactec 460 | MGIT 960 | |
| Isoniazid | 0.1, 0.4, 1.0, 3.0, 10.0 | 0.1, 0.4, 1.0, 3.0, 10.0 |
| Rifampin | 1.0, 3.0, 10.0, 50.0 | 1.0, 3.0, 10.0, 50.0 |
| Ethambutol | 2.5, 5.0, 12.5, 50.0 | 2.5, 5.0, 12.5, 25.0, 50.0 |
| Streptomycin | 1.0, 10.0, 50.0b | 1.0, 4.0, 20.0b |
| Amikacin | 1.0, 10.0, 50.0 | 1.0, 4.0, 20.0 |
| Ethionamide | 2.5, 12.5a | 2.5, 12.5a |
| Ofloxacin | 2.0, 10.0, 20.0 | 2.0, 10.0, 50.0 |
| Linezolid | 0.4, 4.0 | 1.0, 4.0 |
| Capreomycin | 5.0 | 1.25, 5.0, 25.0 |
a
Additional testing for selected strains at concentrations of 1.25, 2.5, 5.0, 12.5, and 25.0 mg/liter.
b
Additional data points were determined for selected strains.