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Distribution of extrapulmonary specimens and comparison of Ultra vs. Xpert assays with MTB culture results.
| Type of specimen | No. of specimens | No. of specimens positive with |
||
|---|---|---|---|---|
| MTB culture | Ultra | Xpert | ||
| Biopsy samples | 40 | 18 | 17 | 9 |
| Pus samples | 16 | 13 | 13 | 12 |
| Fine needle aspirates | 13 | 9 | 9 | 9 |
| CSF samples | 6 | 2 | 2 | 2 |
| Gastric aspirates | 5 | 3 | 3 | 2 |
| Lymph nodes | 3 | 1 | 1 | 1 |
| Other samples | 7 | 5 | 5 | 5 |
| All specimens | 90 | 51 | 50 | 40 |
