TABLE 2.
Sensitivity of Xpert MTB/RIF Ultra in children with active tuberculosis enrolled in the multicenter study
| Site and category | Total no. | No. positive | No. negative | Sensitivity (%) |
|---|---|---|---|---|
| Site A | ||||
| Bacteriologically confirmed TB | 17 | 15 | 2 | 88.2 |
| Probable TB | 3 | 1 | 2 | 33.3 |
| Total cases | 20 | 16 | 4 | 80.0 |
| Composite reference standard using culture, AFB, and Ultra | 20 | 18 | 2 | 90.0 |
| Site B | ||||
| Bacteriologically confirmed TB | 9 | 7 | 2 | 77.8 |
| Probable TB | 20 | 6 | 14 | 30.0 |
| Total cases | 29 | 13 | 16 | 44.8 |
| Composite reference standard using culture, AFB, and Ultra | 29 | 15 | 14 | 51.7 |
| Site C | ||||
| Bacteriologically confirmed TB | 22 | 20 | 2 | 90.9 |
| Probable TB | 58 | 29 | 29 | 50.0 |
| Total cases | 80 | 49 | 31 | 61.3 |
| Composite reference standard using culture, AFB, and Ultra | 80 | 54 | 26 | 67.5 |