Table 1.
Participant characteristics
| Characteristics | All (N=1456) | COVID-19 as Primary/Admitting Diagnosis (n=690) | COVID-19 as Secondary Diagnosis (n=766) | P Value (COVID-19 as Primary vs Secondary) |
|---|---|---|---|---|
| Age (y), median (IQR) | 64 (26) | 65 (25) | 64 (26) | .079 |
| Sex (female), n (%) | 723 (49.7) | 348 (50.4) | 375 (49.0) | .573 |
| Race, n (%) | .673 | |||
| Black | 791 (54.3) | 375 (54.3) | 416 (54.3) | |
| White | 440 (30.2) | 203 (29.4) | 237 (30.9) | |
| Other | 225 (15.5) | 112 (16.2) | 113 (14.8) | |
| Ethnicity (Hispanic/Latino), n (%) | 144 (9.9) | 71 (10.3) | 73 (9.5) | .628 |
| BMI, median (IQR) | 28.2 (10.4) | 28.7 (10.2) | 27.5 (10.5) | <.001 |
| Charlson Comorbidity Index, median (IQR) | 4 (5) | 4 (4) | 4 (5) | .560 |
| Insurance, n (%) | .002 | |||
| Uninsured | 38 (2.6) | 29 (4.2) | 9 (1.2) | |
| Medicaid | 271 (18.2) | 119 (17.2) | 144 (18.8) | |
| Medicare | 795 (53.5) | 362 (52.5) | 421 (55.0) | |
| Private | 314 (21.1) | 154 (23.3) | 150 (19.6) | |
| Other | 68 (4.6) | 26 (3.8) | 42 (5.5) | |
| ICU (admitted), n (%) | 521 (35.8) | 206 (29.9) | 315 (41.1) | <.001 |
| Mechanical ventilation (yes), n (%) | 263 (18.1) | 93 (13.5) | 170 (22.2) | <.001 |
| Mortality, n (%) | 129 (8.9) | 59 (8.6) | 70 (9.1) | .682 |
| Length of stay (d), median (IQR) | 7 (10) | 7 (9) | 7(11) | . 017 |
| Discharge, n (%) home | 890 (61.1) | 461 (66.8) | 429 (56.0) | <.001 |
| Readmission, n (%) | 166 (11.4) | 69 (10.0) | 97 (12.7) | .110 |
| AM-PAC mobility, median (IQR) | ||||
| Initial score | 18 (14) | 18 (12) | 15 (15) | <.001 |
| Days to initial score | 1 (3) | 1 (2) | 1 (4) | <.001 |
| Final score | 18 (13) | 18 (13) | 17 (15) | <.001 |
| Days from final to discharge | 1 (3) | 1 (3) | 1 (3) | .190 |
| AM-PAC activity, median (IQR) | ||||
| Initial score | 18 (14) | 19 (10) | 16 (13) | <.001 |
| Days to initial score | 1 (3) | 1 (2) | 1 (4) | .001 |
| Final score | 18 (13) | 19 (10) | 17 (12) | <.001 |
| Days from final to discharge | 1 (3) | 2 (4) | 2 (4) | .992 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); IQR, interquartile range.