Table 1.
Characteristics of patients discharged from the Johns hopkins hospital between Mar 1 and May 12, 2020
| Variable | Patients tested (+) for COVID-19 (n = 439) |
Patients tested (−) for COVID-19 (n = 2316) |
Patients not tested (n = 3035) |
P† |
|---|---|---|---|---|
| Age (SD), years | 55.5 (17.9) | 48.3 (21.0) | 47.7 (23.6) | < 0.001 |
| Female, n (%) | 218 (49.7) | 1226 (52.9) | 1589 (52.4) | 0.65 |
| Race, n (%) | < 0.001 | |||
| White | 115 (26.2) | 1057 (45.6) | 1508 (49.7) | |
| Black | 191 (43.5) | 1051 (45.4) | 1168 (38.5) | |
| Other* | 133 (30.3) | 208 (9.0) | 359 (11.8) | |
| Ethnicity, n(%) | < 0.001 | |||
| Hispanic or Latino | 86 (19.6) | 101 (4.4) | 159 (5.2) | |
| Median body mass index (IQR), kg/m2 | 29.5 (25.0, 34.4) | 25.9 (21.8, 31.4) | 26.1 (21.4, 31.0) | < 0.001 |
| Median hospital length of stay (IQR), days | 7 (4, 12) | 4 (2, 7) | 4 (2, 6) | < 0.001 |
| Ventilated, n (%) | 108 (24.6) | 277 (12.0) | 277 (9.1) | < 0.001 |
| Death, n (%) | 38 (8.7) | 71 (3.1) | 63 (2.1) | < 0.001 |
IQR, interquartile range; SD, standard deviation
†Mean age difference was compared using one-way analysis of variance (ANOVA); median body mass index and length of stay were compared between the three groups using quantile regression, and categorical variables were compared using the Chi-square test
*Other includes Asian, American Indian or Alaska Native, Native Hawaiian, other Pacific Islander, other, unknown/not reported, and declined to answer