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Distribution of types of consumed substances based on gender
| Type of substance used | Gender | Number (percent) |
|---|---|---|
| Buprenorphine | Male | 6 (23.1) |
| Female | 3 (15.8) | |
| Tramadol | Male | 4 (15.4) |
| Female | 6 (31.6) | |
| Methadone | Male | 11 (42.3) |
| Female | 7 (36.8) | |
| Morphine | Male | 4 (15.4) |
| Female | 3 (15.8) |
