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| Test | Performed (n) | Positive BAL (n) | Positive results of tests in relation to methods (%) |
|---|---|---|---|
| BAL | 1,399 | ||
| Direct testing − microorganisms | 932 | 338 | 36.3 |
| Culture for aerobes | 923 | 482 | 52.2 |
| MTB test | 899 | 12 | 1.3 |
| MTB culture | 849 | 23 | 2.7 |
| Fungal culture | 1,159 | 242 | 20.9 |
| Oncotic cytology | 425 | 64 | 15.1 |
| Polymerase chain reaction | 388 | 83 | 21.4 |
BAL: bronchoalveolar lavages; MTB: Mycobacterium tuberculosis bacillus.
