Table 4.
Statistics of different drug resistance types (N = 45).
| Type of drug resistance | Cases of drug resistance strains (n) | Proportion (%) |
|---|---|---|
| Total | 45 | |
| Single-drug resistance | 8 | 17.78% |
| RIF | 4 | 8.89% |
| INH | 2 | 4.44% |
| Sm | 1 | 2.22% |
| PZA | 1 | 2.22% |
| Dual-drug resistance | 9 | 20.00% |
| RIF+INH | 7 | 15.56% |
| RIF+Sm | 1 | 2.22% |
| RIF+EMB | 1 | 2.22% |
| Triple-drug resistance | 12 | 26.67% |
| RIF+INH+Sm | 7 | 15.56% |
| RIF+INH+EMB | 2 | 4.44% |
| RIF+EMB+Sm | 1 | 2.22% |
| RIF+OFX+MFX | 2 | 4.44% |
| Quadruple-drug resistance | 6 | 13.33% |
| RIF+INH+Sm+PZA | 3 | 6.67% |
| RIF+INH+EMB+PZA | 3 | 6.67% |
| Multi-drug resistance (>4 drugs) | 10 | 22.22% |
| RIF+Sm+EMB+OFX+MFX | 1 | 2.22% |
| RIF+INH+Sm+EMB+PZA | 1 | 2.22% |
| RIF+INH+Sm+EMB+OFX+MFX | 2 | 4.44% |
| RIF+INH+Sm+PZA+OFX+MFX | 1 | 2.22% |
| RIF+INH+Sm+EMB+PZA+OFX+MFX | 2 | 4.44% |
| RIF+INH+EMB+PZA+Am+Km+Cm | 1 | 2.22% |
| RIF+INH+Sm+EMB+PZA+Am+Km+Cm | 1 | 2.22% |
| RIF+INH+Sm+EMB+PZA+OFX+MFX+Am+Km+Cm | 1 | 2.22% |
RIF, rifampicin; INH, isoniazid; Sm, streptomycin; EMB, ethambutol; PZA, pyrazinamide; OFX, levofloxacin; MFX, moxifloxacin; Am, amikacin; Km, kanamycin; Cm, capreomycin.
Multidrug-resistant (MDR) TB: Defined as resistance to at least both RIF and INH. MDR rate among drug-resistant cases: 82.22% (37/45).