Annual numbers of prescriptions and their costs (n=413)
| Opioid | Number of prescriptions | Cost (£) | Average cost per prescription (£) |
| Buprenorphine | 391 | 14 204 | 36 |
| Codeine/dihydrocodeine | 1551 | 6899 | 4 |
| Fentanyl | 41 | 2024 | 49 |
| Morphine | 288 | 3658 | 13 |
| Oxycodone | 183 | 11 484 | 63 |
| Tapentadol | 9 | 356 | 40 |
| Tramadol | 856 | 5864 | 7 |
| Total | 3319 | 44 491 | 30 |