TABLE 2.
The Effect of ED Facility Characteristics on the Risk of Readmission After an ED Visit
| ED Facility Characteristic | No. of ED Visits (%) | % Readmitted | Odds Ratio (95% CI)* |
|---|---|---|---|
| Overall | 48,883 | ||
| Total beds | |||
| ≤100 | 3,936 (8.05) | 47.61 | 1.00 |
| 101–200 | 6,251 (12.79) | 52.07 | 1.38 (1.06–1.81)† |
| 201–400 | 13,000 (26.59) | 56.26 | 1.69 (1.32–2.17)† |
| >400 | 25,696 (52.57) | 57.06 | 1.77 (1.35–2.33)† |
| Type of control | |||
| Nonprofit | 24,999 (51.14) | 53.81 | 1.00 |
| Proprietary | 17,108 (35.00) | 57.39 | 1.32 (1.09–1.61)† |
| Government | 6,776 (13.86) | 56.60 | 1.11 (0.88–1.41) |
| Medical school affiliation | |||
| Major | 6,487 (13.27) | 58.72 | 1.00 |
| Limited | 7,066 (14.45) | 56.37 | 0.85 (0.58–1.25) |
| Graduate | 3,164 (6.47) | 56.19 | 0.71 (0.44–1.15) |
| No affiliation | 32,166 (65.80) | 54.51 | 0.78 (0.57–1.05) |
| If the same hospital patient was discharged from | |||
| Yes | 38,532 (78.82) | 55.64 | 0.96 (0.91–1.00) |
| No | 10,351 (21.18) | 54.73 | 1.00 |
NOTE: Abbreviations: CI, confidence interval; ED, emergency department.
*
Estimated from 3-level models adjusted for patient characteristics. ED providers associated with only 1 hospital from 2008 through 2011 were selected for the 3-level analyses. There were 525 ED providers from 143 facilities.
†
Statistically significant results.