Table 2.
Pre-injury opioid use and post-discharge opioid use of patients in each cohort. The numbers of each type of drug prescribed show the number of patients receiving that drug, with each patient potentially receiving more than one opioid drug. NA, not applicable. ∗n (%) or mean (minimum) (maximum).
| Characteristic | Pre-injury opioid use |
Post-discharge opioid use |
|||
|---|---|---|---|---|---|
| Burn, N=7147∗ | General population, N=28 184∗ | Pancreatitis, N=6810∗ | Burn, N=6884∗ | Pancreatitis, N=6578∗ | |
| Receiving opioid prescriptions | 2057 (29) | 4888 (17) | 2735 (40) | 2805 (41) | 3464 (53) |
| Recurrent opioid user (≥3 prescriptions) | 1276 (18) | 2675 (9.5) | 1613 (24) | 1546 (22) | 2141 (33) |
| Number of opioid prescriptions | 2.0 (0.0) (66.0) | 1.0 (0.0) (68.0) | 2.6 (0.0) (100.0) | 2.5 (0.0) (81.0) | 3.9 (0.0) (117.0) |
| Opioid-naive pre-admission | 5090 (71) | 23 296 (83) | 4075 (60) | NA | NA |
| Opioid-naive patient who became an opioid user after discharge | NA | NA | NA | 1371 (20) | 1459 (22) |
| Opioid-naive patient who became recurrent user after discharge | NA | NA | NA | 480 (6.9) | 613 (9.3) |
| Co-codamol | 1227 (17) | 3227 (11) | 1674 (25) | 1395 (20) | 1700 (26) |
| Tramadol hydrochloride | 498 (7.0) | 1019 (3.6) | 686 (10) | 705 (10) | 1249 (19) |
| Fentanyl | 44 (0.6) | 57 (0.2) | 42 (0.6) | 49 (0.7) | 77 (1.2) |
| Co-dydramol | 185 (2.6) | 538 (1.9) | 279 (4.1) | 174 (2.5) | 262 (4.0) |
| Dihydrocodeine tartrate | 303 (4.2) | 448 (1.6) | 366 (5.4) | 672 (9.8) | 703 (11) |
| Morphine | 303 (4.2) | 448 (1.6) | 366 (5.4) | 318 (4.6) | 484 (7.4) |
| Oxycodone | 75 (1.0) | 105 (0.4) | 70 (1.0) | 138 (2.0) | 207 (3.1) |
| Codeine phosphate | 127 (1.8) | 198 (0.7) | 178 (2.6) | 229 (3.3) | 262 (4.0) |
| Co-codamol with buclizine hydrochloride | 27 (0.4) | 39 (0.1) | 21 (0.3) | 16 (0.2) | 14 (0.2) |
| Buprenorphine | 19 (0.3) | 54 (0.2) | 26 (0.4) | 35 (0.5) | 32 (0.5) |
| Other opioid | 21 (0.3) | 57 (0.2) | 33 (0.5) | 45 (0.7) | 55 (0.8) |