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Slow-release opioid for control group and switch group at T0 and T1.
| T0, Control Group (n, %) |
T0, Switch Group (n, %) |
T1, Switch Group (n) | |||||
|---|---|---|---|---|---|---|---|
| Hydromorphone | Morphine | Oxycodone | Fentanyl | Buprenorphine | |||
| Oxycodone | 13 (56) | 15 (48) | 4 | 8 | - | 3 | - |
| Morphine | 4 (17) | 6 (19) | 3 | - | 2 | 1 | - |
| Buprenorphine | 1 (4) | 4 (13) | 2 | 1 | - | 1 | - |
| Fentanyl | 1 (4) | 4 (13) | 1 | 1 | 1 | - | 1 |
| Hydromorphone | 4 (17) | 1 (3) | - | - | 1 | - | - |
| Tramadol | - | 1 (3) | - | - | 1 | - | - |
| Total | 23 | 31 | 10 | 10 | 5 | 5 | 1 |
