Drug resistance patterns of the 18 study patients
| Drugs by group# | Resistant | Sensitive |
| Group 1: first-line oral drugs | ||
| Isoniazid | 17 (94.4) | 1 (5.55) |
| Rifampicin | 15 (83.3) | 3 (16.6) |
| Pyrazinamide | 8 (44.4) | 8 (44.4) |
| Ethambutol | 11 (61.1) | 6 (33.3) |
| Rifabutin | 13 (72.2) | 4 (22.2) |
| Group 2: injectable agents | ||
| Streptomycin | 14 (77.7) | 4 (22.2) |
| Amikacin | 3 (16.6) | 14 (77.7) |
| Kanamycin | 3 (16.6) | 14 (77.7) |
| Capreomycin | 5 (27.7) | 12 (66.6) |
| Group 3: fluoroquinolones | ||
| Moxifloxacin | 2 (11.1) | 15 (83.3) |
| Group 4: oral bacteriostatic second-line agents | ||
| Protionamide | 7 (38.8) | 10 (55.5) |
| Group 5: agents with unclear role in treatment of drug-resistant TB | ||
| Linezolid | 17 (94.4) | |
| Clarithromycin | 3 (16.6) | 7 (38.8) |
| Clofamizine | 8 (44.4) | |
| Other | ||
| Ertapenem | 18 (100) |
Data are presented as n (%). TB: tuberculosis. #: groups defined by the World Health Organization.