TABLE 1.
Characteristics of 77 emergency departments (EDs) according to country
| Characteristics | Canada (n=8) | United States (n=69) | P |
|---|---|---|---|
| Public hospital (%) | 100 | 32 | 0.005 |
| Estimated household income (CDN$) by hospital postal/zip code, mean ± SD | 55,620±13,634 | 43,823±16,623 | 0.10 |
| Emergency medicine residency program, % | 60 | 81 | 0.26 |
| Number of ED visits in one year, median (IQR) | 52,984 (46,954–58,980) | 54,989 (44,876–72,011) | 0.84 |
| Number of ED asthma visits in one year, median (IQR) | 947 (900–1358) | 1,852 (900–3100) | 0.07 |
| Percentage of total ED visits for asthma, median (IQR) | 2.0 (1.7–2.1) | 2.9 (1.8–5.1) | 0.06 |
| Has an asthma room, % | 0 | 27 | 0.19 |
| Has a guideline for managing asthma, % | 63 | 52 | 0.72 |
IQR Interquartile range