Genotype MTBDR results using 64 strains of the supranational reference laboratory external quality assessment
| Genotype MTBDR | DST | |
| INHs | 20 | 15 |
| INHr | 44 | 49 |
| Heteroresistance | 0 | |
| Total | 64 | 64 |
| RMPs | 27 | 33 |
| RMPr | 37 | 31 |
| Heteroresistance | 0 | |
| Total | 64 | 64 |
Data are presented as n. DST: drug susceptibility testing; INHs: susceptible to isoniazid (INH); INHr: resistant to INH; RMPs: susceptible to rifampin (RMP); RMPs: resistant to RMP.