Table 2 Sensitivities and specificities of Xpert MTB/RIF, CTM-MTB and DTB
% sensitivity (95% CI) | % specificity (95% CI) | |||
|---|---|---|---|---|
All | MIC pos | MIC neg | ||
Cx pos | Cx pos | Cx pos | no TB | |
Xpert MTB/RIF | 74.6 | 94.1 | 68.0 | 96.2 |
(62.2-84.1) | (69.2-99.7) | (53.1-80.0) | (85.9-99.3) | |
CTM MTB | 73.8 | 93.3 | 68.0 | 100 |
(61.2-83.6) | (66.0-99.6) | (53.1-80.0) | (91.2-100) | |
DTB | 79.1 | 100 | 72.0 | 98.1 |
(67.1-87.7) | (77.0-100) | (57.2-83.3) | (88.6-99.9) | |