Table 1 Drug susceptibility patterns of Mycobacterium tuberculosis isolated from new and previously treated cases of pulmonary tuberculosis
Susceptibility patterns | Total cases (N = 135) n (%) | New cases (N = 42) n (%) | Previously treated cases (N = 93) n (%) |
|---|---|---|---|
Any drug resistance | 42 (31.1) | 9 (21.4) | 33 (35.5) |
Any isoniazid resistance | 31 (23) | 3 (7.1) | 28 (30.1) |
Any rifampicin resistance | 24 (17.8) | 4 (9.5) | 20 (21.5) |
Mono isoniazid resistance | 2 (1.5) | 0 | 2 (2.2) |
Mono rifampicin resistance | 2 (1.5) | 1 (2.4) | 1 (1.1) |
MDR-TB | 21 (15.6) | 3 (7.1) | 18 (19.4) |
Poly-resistant TB (resistant to more than one drug, but not MDR-TB) | 9 (6.7) | 0 | 9 (9.7) |