Estimation of sample to be tested by island and setting based on latest data available
| UCA (n=12) | Projecte Home Balears (n=3) | Metabús (n=1) | |
| Mallorca | 900 patients with high-risk behaviour, plus an additional 900 on OST | 200 | 100 regular users (75 fixed, 25 varying) |
| Menorca | 200 patients with high-risk behaviour, plus an additional 90 on OST | 50 | N/A |
| Ibiza | 150 patients with high-risk behaviour, plus an additional 150 on OST | 50 | N/A |
| An estimated 935 individuals enter the addiction centres for the first time every year | |||
| Total estimated PWUD to be tested for HCV as part of the study: 3725 | |||
The prison setting is not included in the calculation. The estimated 156 patients in preventive care there are tested as part of the prison standard of care.
HCV, hepatitis C virus; OST, opioid substitution therapy; PWUD, people who use drugs; UCA, Unidad de Conductas Adictivas, addiction service centre.