Table 2.
Results of tests used for detecting tuberculosis
| Test | n (%) |
|---|---|
| Serum positive for anti-M. tuberculosis IgG antibody | 280/438 (63.9) |
| Pleural fluid positive for anti-M. tuberculosis IgG antibody | 313/466 (67.2) |
| Sputum smear, AFB positive | 15/402 (3.7) |
| Pleural fluid smear, AFB positive | 11/445 (2.5) |
| Sputum culture positive for M. tuberculosis | 35/279 (12.5) |
| Pleural fluid culture positive for M. tuberculosis | 85/442 (19.2) |
| Pleural biopsy culture positive for M. tuberculosis | 198/473 (41.9) |
| Total positive tests in the pleural cavity | 200/567 (35.3) |
AFB=Acid-fast bacilli, M. tuberculosis=Mycobacterium tuberculosis