Table 1.
Characteristics of Participating Hospitals
| Site | Average Annual ED Volume (N) | High‐Acuitya Patient Volume (%) | Admitted Patients (%) | Median ED LOSb (Hours) | 90th Percentile ED LOSb (hours) |
|---|---|---|---|---|---|
| Hospital 1 | 44,865 | 74.6 | 19.8 | 4.4 | 15.9 |
| Hospital 2 | 44,224 | 64.3 | 13.9 | 2.9 | 14.4 |
| Hospital 3 | 48,313 | 76.8 | 12.5 | 4.1 | 13.8 |
| Hospital 4 | 70,527 | 68.7 | 11.9 | 3.6 | 10.7 |
| Hospital 5 | 37,232 | 54.7 | 11.5 | 5.1 | 13.9 |
| Hospital 6 | 38,964 | 54.5 | 9.3 | 2.4 | 6.4 |
| Hospital 7 | 71,523 | 58.2 | 11.0 | 3.4 | 9.9 |
| Hospital 8 | 55,935 | 60.8 | 13.1 | 4.0 | 12.0 |
| Hospital 9 | 44,790 | 69.9 | 11.9 | 3.0 | 10.8 |
| Hospital 10 | 27,967 | 40.1 | 5.1 | 2.3 | 5.6 |
LOS = length of stay.
a
High‐acuity = Canadian Triage and Acuity Scale levels 1, 2, or 3
b
ED LOS is calculated for all patients regardless of ED disposition.