Table 1 Characteristics of included study sites
| Hospital | Linköping University Hospital | Motala Community Hospital | Karolinska University Hospital at Solna | Karolinska University Hospital at Huddinge |
|---|---|---|---|---|
| Hospital beds | 550 | 100 | 700 | 800 |
| Trauma level | 1 | 3 | 1 | 1 |
| Hospital type | Academic teaching hospital | Rural Community | Academic teaching hospital | Academic teaching hospital |
| ED beds | 48 | 16 | 43 | 48 |
| Annual ED visits | 50,000 | 25,000 | 77,000 | 75,000 |