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Culture positivity according to smear status and sample types (n = 2424).
| Number | Culture positive |
|||
|---|---|---|---|---|
| Smear positive | Smear negative | Total (%) | ||
| Pulmonary | ||||
| Sputum | 1859 | 230 | 226 | 456 (24.5%) |
| BAL | 289 | 7 | 15 | 22 (7.6%) |
| Biopsies (TBLB, endobronchial) | 70 | 1 | 12 | 13 (18.6%) |
| Extra-pulmonary | ||||
| FNAC | 35 | 4 | 3 | 7 (20%) |
| Pus | 20 | 3 | 5 | 8 (40%) |
| Body fluid aspirates | 136 | 2 | 14 | 16 (11.8%) |
| Others (CSF, urine, bone marrow) | 15 | 0 | 0 | 0 (0%) |
