Demographics of participating health system (N=8)
| Organisational structure | |
| Nongovernment, not-for-profit | 8 |
| No of hospitals in system | |
| <5 | 4 |
| 5–10 | 3 |
| >10 | 1 |
| No of beds in hospital system | |
| <1000 | 1 |
| 1000–2000 | 3 |
| >2000 | 4 |
| Primary geographical region | |
| West | 0 |
| Midwest | 1 |
| Northeast | 3 |
| South | 3 |
| Multiple | 1 |