Table 1 Description of study sites
Variable | Hospital 1 | Hospital 2 |
|---|---|---|
Annual ED volume | 39,573 | 29,418 |
Type of medical record | Electronic | Paper-based |
Patient characteristics | Â | Â |
Age (mean) | 41.4 | 49.3 |
Sex (% female) | 53 | 57 |
Race/ethnicity, % | Â | Â |
   White (non-Hispanic) | 88.8 | 89.7 |
   Black | 6.7 | 7.4 |
   Hispanic | 2.9 | 2.0 |
   Other | 1.6 | 0.9 |
Uninsured, % | 10 | 7 |
Mode of transport (% private vehicle or walk-in) | 78 | 78 |
ED disposition (% admitted) | 25 | 30 |