Table 1.
Percentage of samples with RT MTB RIF/INH results greater than assay LOD
| Microscopy status | RT MTB RIF/INH resistance results
|
RT MTB RIF/INH below LOD results
|
||
|---|---|---|---|---|
| NALC/NaOH pellets | Sputum | NALC/NaOH pellets | Sputum | |
| Positive | 98.2 (110/112) | 96.4 (108/112) | 1.8 (2/112) | 3.6 (4/112) |
| Negative | 85.0 (17/20) | 85.0 (17/20) | 15.0 (3/20) | 15.0 (3/20) |
| Total | 96.2 (127/132) | 94.7 (125/132) | 3.8 (5/132) | 5.3 (7/132) |
Abbreviations: RT MTB RIF/INH, RealTime MTB RIF/INH Resistance Assay; MTB, Mycobacterium tuberculosis; RIF, rifampicin; INH, isoniazid; LOD, limit of detection.