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Rates of positivity by rpoB PCR-TA cloning and sequencing from clinical specimens
| Clinical material | No. of samples tested | No. (%) of samples M. tuberculosis positive | No. of mutated strains |
|---|---|---|---|
| Joint tissue | 31 | 18 (58.1) | 3a |
| Synovial fluid | 11 | 4 (36.4) | |
| Pus | 1 | 1 (100.0) | |
| Total | 43 | 23 (53.5) | 3 |
Mutation (in boldface) of codon 531 (TCG→TTG) was found.
