| TTI | Number of reactive | Percentage with 95% CI |
| All TTI | 13 | 0.81 (0.44 - 1.39) |
| HIV | 5 | 0.32 (0.10 - 0.73) |
| HBV | 7 | 0.44 (0.17 - 0.91) |
| Syphilis | 1 | 0.06 (0.002 - 0.35) |
| HCV | 0 | - |
| Co-infection | 0 | - |