Type of sampling | Number of tested patients | Sensitivity of particular MTb detection assay | Aggregate of MTb positivity (per sample type) | ||||||
---|---|---|---|---|---|---|---|---|---|
n | Microscopyb | Culture | PCR | Â | |||||
 | n | % | n | % | n | % | n | % | |
Sputum | 32 | 0 | 0.0% | 7 | 21.9% | 6 | 18.8% | 9 | 28.1% |
BAL fluid | 33 | 3 | 9.1% | 8 | 24.2% | 9 | 27.3% | 12 | 36.4% |
LN Biopsy a | 23 | 2 | 8.7% | 9 | 39.1% | 15 | 65.2% | 16 | 69.6% |
Pleural effusion/−biopsy | 8 | 2 | 25.0% | 3 | 37.5% | 4 | 50.0% | 6 | 75.0% |
Aggregate of MTb positivity (per type of assay) | 34 | 5 | 14.7% | 19 | 55.9% | 24 | 70.6% | 25 | 73.5% |