TABLE 2.
Detection of mycobacteria from clinical specimens in BACTEC 460 TB, MB/BacT, and LJ medium according to initial smear resultsa
| Smear result (no. of isolates) | No. (%) of isolates recovered in:
|
||
|---|---|---|---|
| BACTEC 460 TB | MB/BacT | LJ medium | |
| M. tuberculosis complex | |||
| Positive (25) | 23 (92)b | 21 (84)b | 23 (92) |
| Negative (46) | 46 (100) | 36 (78) | 25 (54) |
| NTM | |||
| Positive (6) | 6 (100) | 5 (83) | 5 (83) |
| Negative (46) | 37 (80) | 28 (60) | 13 (28) |
a
A total of 3,700 specimens were tested.
b
Loss of sensitivity due to bacterial contamination.