Table 1. Baseline characteristics of all ED patients regardless of enrollment status at arrival.
| Not-viewed ( N = 52,937) | Viewed ( N = 7,377) | |
|---|---|---|
| Age | ||
| Median (IQR) | 54 (37, 68) | 52 (36, 67) |
| Sex | ||
| Female | 30,414 (57.5%) | 4,431 (60.1%) |
| Male | 22,521 (42.5%) | 2,946 (39.9%) |
| Race/Ethnicity (multiple select) | ||
| Hispanic | 9,510 (18.0%) | 1,140 (15.5%) |
| American Indian or Alaska Native | 251 (0.5%) | 29 (0.4%) |
| Asian | 1,352 (2.6%) | 428 (5.8%) |
| Black | 17,471 (33.0%) | 1,332 (18.1%) |
| Native Hawaiian or Other Pacific Islander | 55 (0.1%) | 13 (0.2%) |
| White | 28,740 (54.3%) | 5,020 (68.0%) |
| Other Race | 2,422 (4.6%) | 331 (4.5%) |
| Language | ||
| English | 50,312 (95.0%) | 7,108 (96.4%) |
| Spanish | 2,133 (4.0%) | 169 (2.3%) |
| Other | 492 (0.9%) | 100 (1.4%) |
| Social vulnerability index (SVI) | ||
| Median (IQR) | 0.75 (0.55, 0.75) | 0.69 (0.39, 0.75) |
| Insurance | ||
| Commercial | 22,488 (42.5%) | 4,142 (56.1%) |
| Medicaid | 3,795 (7.2%) | 268 (3.6%) |
| Medicare | 21,584 (40.8%) | 2,742 (37.2%) |
| Other | 292 (0.6%) | 8 (0.1%) |
| Self-Pay | 4,778 (9.0%) | 217 (2.9%) |
| Disposition | ||
| Admit | 22,981 (43.4%) | 3,879 (52.6%) |
| Discharge | 27,862 (52.6%) | 3,265 (44.3%) |
| Other | 2,094 (4.0%) | 233 (3.2%) |
| ESI | ||
| 1 | 362 (0.7%) | 22 (0.3%) |
| 2 | 23,314 (44.0%) | 3,790 (51.4%) |
| 3 | 25,352 (47.9%) | 3,316 (45.0%) |
| 4 | 3,695 (7.0%) | 220 (3.0%) |
| 5 | 72 (0.1%) | 7 (0.1%) |
| MyChart status at arrival | ||
| Activated | 32,706 (61.8%) | 6,450 (87.4%) |
| Not-activated | 20,231 (38.2%) | 927 (12.6%) |
Note: Proportion of missing values not included.