Table I.
Patient characteristics
| Total | Site 1 | Site 2 | Site 3 | |
|---|---|---|---|---|
| Total tested | 9018 | 3819 | 2383 | 2816 |
| Age (years) | ||||
| 18–44 | 2604 (28.9%) | 1355 (35.5%) | 603 (25.3%) | 646 (22.9%) |
| 45–64 | 3320 (36.8%) | 1548 (40.5%) | 932 (39.1%) | 849 (30.1%) |
| 65–74 | 1506 (16.7%) | 548 (14.3%) | 433 (18.2%) | 525 (18.6%) |
| >74 | 1573 (17.4%) | 367 (9.6%) | 414 (17.4%) | 792 (28.1%) |
| Female | 4453 (49.4%) | 1817 (47.6%) | 1183 (49.6%) | 1453 (51.6%) |
| Race | ||||
| Black or African American | 3727 (41.3%) | 2230 (58.4%) | 715 (30%) | 782 (27.8%) |
| White | 3949 (43.8%) | 1121 (29.4%) | 1332 (55.9%) | 1496 (53.1%) |
| Other | 1342 (14.9%) | 468 (12.3%) | 336 (14.1%) | 538 (19.1%) |
| Ethnicity | ||||
| Latino | 844 (9.4%) | 320 (8.4%) | 277 (11.6%) | 247 (8.8%) |
| Non-Latino | 8174 (90.6%) | 3499 (91.6%) | 2106 (88.4%) | 2569 (91.2%) |
| Admitted | 5409 (60%) | 1951 (51.1%) | 1678 (70.4%) | 1780 (63.2%) |
| Standard platform | 5516 (61.2%) | 2262 (59.2%) | 1343 (56.4%) | 1911 (67.9%) |
| Rapid platform | 3502 (38.8%) | 1557 (40.8%) | 1040 (43.6%) | 905 (32.1%) |
| SARS-CoV-2 positive | 892 (9.9%) | 306 (8%) | 252 (10.6%) | 334 (11.9%) |
SARS-CoV-2, severe acute respiratory syndrome coronavirus-2.
All study sites are affiliated with the same university hospital system. Sites 1 and 2 are urban academic emergency departments, and Site 3 is a suburban community emergency department.