From: Negative effect of smoking on the performance of the QuantiFERON TB gold in tube test
Danish patients (n = 34) | Tanzanian patients (n = 172) | |||||
---|---|---|---|---|---|---|
Non-smokers (n = 14) | Smokers (n = 20) | p | Non-smokers (n = 150) | Smokers (n = 22) | p | |
Positive, n (%) | 12 (86) | 10 (50) | 0.03 | 112 (75) | 11 (48) | 0.01 |
Negative, n (%) | 0 (0) | 9 (45) | 0.004 | 16 (11) | 6 (26) | 0.04 |
Indeterminate, n (%) | 2 (14) | 1 (5) | 0.56 | 21 (14) | 6 (26) | 0.14 |