Table 8. Detection of MTB by Xpert compared to MGIT culture in smear-negative samples.
Culture | |||||
---|---|---|---|---|---|
Xpert | Positive | NTM | Negative | Contaminated | Total |
MTB positive | 50 | 8 | 38 | 21 | 117 |
MTB negative | 33 | 99 | 1009 | 138 | 1,279 |
MTB inconclusive | 7 | 16 | 87 | 24 | 134 |
TOTAL | 90 | 123 | 1,134 | 183 | 1,530 |
NTM: non-tuberculous mycobacteria