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Opioids and opiates in 610 cases in the 2010 Case Registry
| N (%) | |
|---|---|
| Total | 610 |
| Naturally occurring | 110 (18) |
| Heroin | 61 (55) |
| Morphine | 37 (34) |
| Codeine | 12 (11) |
| Opioids not otherwise specified | 19 (3) |
| Opioids | 19 (100) |
| Semisynthetic | 268 (44) |
| Oxycodone | 142 (53) |
| Hydrocodone | 110 (41) |
| Hydromorphone | 14 (5) |
| Oxymorphone | 2 (1) |
| Synthetic | 213 (35) |
| Methadone | 98 (46) |
| Tramadol | 49 (23) |
| Fentanyl | 36 (17) |
| Buprenorphine | 25 (12) |
| Meperidine | 2 (1) |
| Diphenoxylate | 1 (<1) |
| Pentazocine | 1 (<1) |
| Tapentadol | 1 (<1) |
