Number of patients referred for contact tracing or new entrant screening by Mantoux test result and TB disease status
| Guideline | Mantoux | LTBI | TB disease | No LTBI or TB disease | Total |
| 2011 | Positive | 9 | 3 | 2 | 14 |
| Negative | 3 | 1 | 352 | 356 | |
| 2015* | Positive | 11 | 4 | 32 | 47 |
| Negative | 1 | 0 | 259 | 260 | |
↵*Non-pulmonary contacts not included in 2015 data.