Overview of Xpert testing results in stool and respiratory samples obtained by sputum induction and/or gastric aspiration
| Stool sample Xpert result | Xpert result on respiratory sample | Total | ||
| M. tuberculosis positive | M. tuberculosis negative | No sample available | ||
| M. tuberculosis positive | 3 | 3 | 0 | 6 |
| M. tuberculosis negative | 0 | 21 | 7 | 28 |
| Error/invalid | 0 | 2 | 0 | 2 |
| Total | 3 | 26 | 7 | 36 |
Four stool samples and one gastric aspiration sample did not yield a conclusive result on the first test. Repetition of the test resulted in two additional test results for the stool sample and one additional test result for the gastric aspiration sample. Xpert: GeneXpert MTB/RIF (Cepheid, Maurens-Scopont, France); M. tuberculosis: Mycobacterium tuberculosis.