Table 4. Results of drug susceptibility testing of Mycobacterium tuberculosis isolates.
| First-line drug | Second-line drug | No. of strains | |
|---|---|---|---|
| Fully susceptible (n=188) | - | - | 188 |
| Mono-resistance (n=4) | INH | - | 3 |
| - | PAS | 1 | |
| Poly-resistance (n=7) | INH | SM | 1 |
| PAS | 1 | ||
| PAS, OFX | 1 | ||
| EMB | SM | 1 | |
| PZA | SM | 1 | |
| INH, EMB | PAS | 1 | |
| PAS, SM | 1 | ||
| MDR (n=13) | INH, RIF | - | 2 |
| INH, RIF | PAS, OFX | 1 | |
| PAS, SM | 1 | ||
| INH, RIF, EMB | - | 1 | |
| INH, RIF, EMB | SM | 3 | |
| INH, RIF, PZA | CS | 1 | |
| KM, SM | 1 | ||
| INH, RIF, EMB, PZA | OFX, SM | 2 | |
| ETH, PAS | 1 | ||
| XDR (n=5) | INH, RIF | KM, ETH, PAS, OFX, SM | 1 |
| KM, CS, PAS, OFX, SM | 1 | ||
| INH, RIF, EMB | PAS, OFX, SM | 1 | |
| KM, ETH, CS, OFX | 1 | ||
| INH, RIF, EMB, PZA | KM, ETH, PAS, OFX, SM | 1 | |
| Total | 217 |
INH: isoniazid; PAS: para-aminosalicylic acid; SM: streptomycin; OFX: ofloxacin; EMB: ethambutol; PZA: pyrazinamide; MDR: multidrug-resistant; RIF: rifampin; CS: cycloserine; KM: kanamycin; XDR: extended drug-resistant; ETH: ethionamide.