Frequency of opioid medication prescribed at discharge by trauma center
| Trauma center | Prescribed (%, 95% CI) | Patient volume n (% of total) |
| A | 72.0 (66.4 to 77.6) | 246 (18.3) |
| B | 48.7 (40.8 to 56.6) | 152 (11.3) |
| C | 32.7 (25.2 to40.2) | 150 (11.1) |
| D | 70.0 (63.2 to 76.8) | 180 (13.4) |
| E | 47.7 (33 to 52.4) | 44 (3.3) |
| F | 38.4 (29.9 to 46.9) | 125 (9.3) |
| G | 52.9 (46.4 to 59.4) | 227 (16.9) |
| H | 56.0 (45.8 to 66.2) | 91 (6.8) |
| I | 28.6 (18.0 to 39.2) | 70 (5.2) |
| J | 56.7 (44.2 to 69.2) | 60 (4.5) |
| All trauma centers | 53.5 (50.8 to 56.2) | 1345 |