From: Retrospective observational study of diagnostic accuracy of the Xpert® MTB/RIF assay on fiberoptic bronchoscopy sampling for early diagnosis of smear-negative or sputum-scarce patients with suspected tuberculosis
N = 162 patients
TB + (N = 30 patients)
TB- (N = 132 patients)
Xpert®MTB/RIF (XP)+
18
0
Smear microscopy (SM) +
5
6 (=6 NTMa)
Gain in early TBb diagnosis (XP-SM)
13