Number of people belonging to various tuberculosis (TB) risk groups attending the mobile X-ray unit in Romania and number of people screened with a chest X-ray
| Risk-group population | Attendances | Chest X-rays | ||
| n | % | N | % | |
| Prisoners | 3543 | 64 | 3077 | 61 |
| Homeless persons and/or problem drug users | 503 | 9 | 484 | 10 |
| Roma population | 589 | 11 | 579 | 11 |
| Staff (mostly prison staff)* | 742 | 14 | 733 | 15 |
| General population | 133 | 2 | 130 | 3 |
| Total | 5510 | 100 | 5003 | 100 |
*A new category ‘staff’ was made in the database on 10 October 2018. Before that date (prison) staff were also screened but recorded under prisoners, artificially lowering the TB prevalence rate among true prisoners.