TABLE 1.
Drug resistance in M. tuberculosis isolates from Ethiopian patients with new and previously treated pulmonary TB
| Drug resistancea | No. (%) of isolates from patients with:
|
||
|---|---|---|---|
| Total | New cases of TB | Previously treated TB | |
| Total | 121 | 103 | 18 |
| Resistance to any drug | 17 (14.0) | 15 (14.6) | 2 (11.1) |
| Resistance to any of the followinga: | |||
| H | 10 (8.3) | 9 (8.7) | 1 (5.6) |
| R | 3 (2.5) | 2 (1.9) | 1 (5.6) |
| S | 9 (7.4) | 8 (7.8) | 1 (5.6) |
| E | 2 (1.7) | 1 (0.9) | 1 (5.6) |
| Resistance to one drug only | |||
| H | 5 (4.1) | 5 (4.9) | 0 |
| R | 1 (0.8) | 1 (0.9) | 0 |
| S | 5 (4.1) | 5 (4.9) | 0 |
| E | 0 | 0 | 0 |
| Resistance to more than one drug | |||
| HS | 3 (2.5) | 2 (1.9) | 1 (5.6) |
| HE | 1 (0.8) | 1 (0.9) | 0 |
| ER | 1 (0.8) | 0 | 1 (5.6) |
| HRS | 1 (0.8) | 1 (0.9) | 0 |
a
H, isoniazid; R, rifampin; S, streptomycin; E, ethambutol.