Results of microbiological investigations in tuberculosis (TB) patients with pleural TB and parenchymal lesions
| Patients | Positive AFB smear | Positive TB NAAT | Positive culture | |
| Pleural fluid | 18 | 0 | 3/13 (23) | 2/18 (11.1) |
| Sputum | 11 | 0 | 0 | 2/11 (18)# |
| Fibreoptic bronchoscopy | 18 | 2/18 (11) | 5/18 (27) | 9/18 (50) |
| Thoracoscopy | 14 | |||
| Biopsy | 14 | 1/14 (7) | 4/13 (30) | 7/14 (50) |
| Fibrin | 8 | 0 | 1/8 (12.5) | 2/8 (25) |
Data are presented as n or n/N (%). AFB: acid-fast bacilli; NAAT: nucleic acid amplification test. #: the two patients with positive sputum culture also had positive fibreoptic bronchoscopy culture.