Table 1.
Characteristics of Unique Emergency Department Patients in 2011 with at least 1 Prior Visit to the Affiliated Health Care System.a
| Characteristic | ED population 2011, N = 61 437, n (%) |
|---|---|
| Gender | |
| Female | 38 898 (63.3) |
| Prior pregnancyb | |
| No | 31 844 (81.9) |
| Yes | 7 047 (18.1) |
| Missing | 7 (0.01) |
| Age, years | |
| 13-17 | 4 987 (8.1) |
| 18-24 | 8 192 (13.3) |
| 25-34 | 9 435 (15.4) |
| 35-44 | 8 516 (13.9) |
| 45-54 | 10 261 (16.7) |
| 55-64 | 8130 (13.2) |
| ≥65 | 11 916 (19.4) |
| Race/ethnicity | |
| Black | 20 664 (33.6) |
| White | 4695 (7.6) |
| Hispanic | 32 019 (52.1) |
| Other | 2752 (4.5) |
| Missing | 1307 (2.1) |
| Preferred language | |
| English | 50 638 (82.4) |
| Spanish | 9773 (15.9) |
| Other | 710 (1.2) |
| Missing | 316 (0.5) |
| Insurance | |
| Publicc | 37 201 (60.6) |
| Private | 17 029 (27.7) |
| Uninsured | 6516 (10.6) |
| Missing | 691 (1.1) |
Abbreviation: ED, emergency department.
a
A prior visit included any inpatient admission, outpatient visit, or ED visit in the affiliated health care system between 1997 (inception of electronic medical record) and first ED visit of 2011.
b
Females only.
c
Medicare or Medicaid.