Table 1. Analysis of Pulmonary tuberculosis cases classified according to the WHO TB case definitions: Patients grouped (A–C) based on strength and concordance of TB microbiologic tests.
| TB diagnostic tests in 19 patients with Tuberculosis
(All tests performed on bronchoalveolar lavage unless otherwise specified) | ||||
|---|---|---|---|---|
| PID number | TB Culture | Xpert MTB/Rif 1 | Xpert MTB/Rif 2 | Other diagnostic test |
| Group A: TB culture positive | ||||
| 1020 | + | + | ND | |
| 1025 | + | + | ND | |
| 1036 | + | + | ND | |
| 1060 | + | + | + | |
| 1084 | + | + | + | |
| 1026 | + | + | - | |
| 1030 | + | - | ND | |
| 1059 | + | - | - | |
| 1057 | - * | - | - | |
| Group B: TB culture negative with at least one positive Xpert MTB/Rif | ||||
| 1007 | - | + | ND | |
| 1016 | - | + | ND | |
| 1047 | - | - | + | |
| 1072 | - | - | + | |
| 1093 | - | - | + | |
| Group C: TB culture and Xpert MTB/Rif negative | ||||
| 1032 | - | - | - | Histology: AFB + on open lung biopsy |
| 1055 | - | - | - | Miliary pattern on CXR |
| 1002 | - | - | ND | |
| 1005 | - | - | ND | |
| 1028 | - | - | ND | |
ND: Not done, AFB: Acid fast bacilli, CXR: Chest X-Ray. * Sputum culture positive one week prior to bronchoscopy.