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Number of sample specimens and quantification of acid fast bacilli.
| No. | Microscopy | |||||
|---|---|---|---|---|---|---|
| Specimen | Total | Negative | +/− | + | ++ | +++ |
| Sputum | 25 | 6 | 5 | 11 | 3 | 0 |
| BALF | 16 | 13 | 3 | 0 | 0 | 0 |
| Bronchial fluid | 13 | 3 | 0 | 7 | 2 | 1 |
| Tissue | 8 | 3 | 1 | 2 | 1 | 1 |
| Swab | 2 | 1 | 0 | 0 | 0 | 1 |
| Blood | 1 | 1 | 0 | 0 | 0 | 0 |
