Table 2 Study participant risk factors and microscopy and culture/drug-susceptible tuberculosis results
From: Rationing tests for drug-resistant tuberculosis – who are we prepared to miss?
All subjects | Sputum culture negative for TB | Sputum culture positive for TB | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Drug-susceptible TB | MDR-TB | Mono-resistant TB | ||||||||||||||
Unknown (n) | n | Unknown (n) | n | Unknown (n) | n | Unknown (n) | ||||||||||
n | n | Percentage of all subjects | Percentage of all subjects | Percentage of all drug sensitive TB patients | Percentage of all subjects | Percentage of all MDR-TB patients | Percentage of all subjects | Percentage of all mono-resistant TB patients | ||||||||
All patients | 1,545 | 1,398 | 90.5 | 0 | 115 | 7.4 | 100 | 0 | 20 | 1.3 | 100 | 0 | 12 | 0.8 | 100 | 0 |
≥1 MDR-TB-TB risk factora | 553 | 506 | 32.8 | 0 | 32 | 2.1 | 27.8 | 0 | 11 | 0.7 | 55.0 | 0 | 4 | 0.3 | 33.3 | 0 |
≥1 MDR-TB risk factor or smear Positive sputumb | 604 | 509 | 32.9 | 0 | 74 | 4.8 | 64.3 | 0 | 16 | 1.0 | 80.0 | 0 | 5 | 0.3 | 41.7 | 0 |
Previous TB | 309 | 278 | 18.0 | 4 | 20 | 1.3 | 17.4 | 0 | 8 | 0.5 | 40.0 | 0 | 3 | 0.2 | 25.0 | 0 |
Known contact with MDR TB | 161 | 153 | 9.9 | 8 | 3 | 0.2 | 2.6 | 0 | 3 | 0.2 | 15.0 | 0 | 2 | 0.1 | 16.7 | 0 |
Health worker | 66 | 62 | 4.0 | 4 | 3 | 0.2 | 2.6 | 0 | 1 | 0.1 | 5.0 | 0 | 0 | 0.0 | 0.0 | 0 |
Current/ex prison worker or resident | 38 | 32 | 2.1 | 4 | 5 | 0.3 | 4.3 | 0 | 1 | 0.1 | 5.0 | 0 | 0 | 0.0 | 0.0 | 0 |
HIV infection | 18 | 18 | 1.2 | 4 | 0 | 0.0 | 0.0 | 1 | 0 | 0.0 | 0.0 | 0 | 0 | 0.0 | 0.0 | 0 |