Table 2.
Cost-effectiveness results from the base-case intervention analyses
| Intervention location | Discounted costs (2011 £) (95% interval) | Discounted QALYs (95% interval) | Incremental costs (95% interval) | Incremental QALYs (95% interval) | ICER (£ per QALY gained) |
|---|---|---|---|---|---|
| Addiction services | |||||
| Baseline | 37 181 582 (19 384 816 to 67 271 249) | 5 354 331 (4 867 168 to 5 960 766) | – | – | – |
| Intervention | 38 099 060 (20 140 578 to 68 378 488) | 5 354 393 (4 867 206 to 5 960 853) | 917 478 (481 174 to 1 664 430) | 63 (19 to 153) | 14 632 |
| Prison | |||||
| Baseline | 37 181 582 (19 384 816 to 67 271 249) | 5 354 331 (4 867 168 to 5 960 766) | – | – | – |
| Intervention | 38 245 293 (19 852 634 to 68 601 970) | 5 354 349 (4 867 184 to 5 960 823) | 1 063 710 (−225 101 to 6 060 267) | 18 (−12 to to 75) | 59 418 |