Table 6 Prevalence rate of TB infection in homeless people stratified by the status of BCG vaccination
| Â | Â | Positive rate | 95%Low | 95%High | P-value |
|---|---|---|---|---|---|
Positive QFT-GIT | 0.118 | ||||
  BCG scar negative | 73/88 | 83.0% | 75.1 | 90.8 | |
  BCG scar positive | 137/190 | 72.1% | 65.7 | 78.5 | |
  BCG scar unknown* | 14/17 | 82.4% | 64.2 | 100.5 | |
  Total | 224/295 | 75.9% | 71.1 | 80.8 | |
Positive TST | 0.156 | ||||
  BCG scar negative | 62/83 | 74.7% | 65.3 | 84.1 | |
  BCG scar positive | 144/175 | 82.3% | 76.6 | 87.9 | |
  Total | 206/258 | 79.8% | 74.9 | 84.7 | |