TABLE 1.
Comparison of results obtained with the BACTEC 460TB and MGIT systems
| Drug (concn)a | No. of isolates
|
|||
|---|---|---|---|---|
| Susceptible with both systems | Susceptible with BACTEC 460TB and resistant with BACTEC MGIT 960 | Resistant with BACTEC 460TB and susceptible with BACTEC MGIT 960 | Resistant with both systems | |
| Streptomycin (L) | 120 | 2 | 0 | 11 |
| Streptomycin (H) | 5 | 1 | 0 | 6 |
| Isoniazid (L) | 111 | 3 | 0 | 19 |
| Isoniazid (H) | 5 | 3 | 0 | 14 |
| Rifampin | 124 | 1 | 0 | 7 |
| Ethambutol (L) | 124 | 3 | 2 | 4 |
| Ethambutol (H) | 3 | 1 | 2 | 0 |
a
L, lower concentration; H, higher concentration.