Patients admitted to Boston Medical Center through the ED and screened for COVID-19 from 27 April 2020 to 17 May 2020, n=748
| Characteristic | n (%) |
| Mean age, years (SD) | 57.5 (18.3) |
| Male | 425 (56.8) |
| Race/ethnicity | |
| Black, non-Hispanic | 321 (42.9) |
| White, non-Hispanic | 214 (28.6) |
| Other, non-Hispanic | 23 (3.1) |
| Hispanic | 155 (20.7) |
| Missing | 35 (4.7) |
| Primary language | |
| English | 551 (73.7) |
| Spanish | 110 (14.7) |
| Haitian Creole | 42 (5.6) |
| Other* | 45 (6.0) |
| COVID-19 test results | |
| Positive | 159 (21.3) |
| Negative | 482 (64.4) |
| Negative: unconfirmed | 52 (7.0) |
| Unknown | 1 (0.1) |
| Missing | 54 (7.2) |
*Other languages spoken included Albanian, American Sign Language, Cape Verdean Creole, Cantonese, Mandingo, Portuguese, Russian, Somali, Urdu and Vietnamese.