Table 1.
Demographic and clinical characteristics of COVID-19 patients, 8/25/2020 to 5/8/2021
| Overall (n = 7388) | Pre-surge period (n = 536) | Surge period (n = 6372) | Post-surge period (n = 480) | p-value | |
|---|---|---|---|---|---|
| Average daily cases, mean (SD) | 28.7 (37.5) | 7.1 ( 3.7) | 59.6 (41.6) | 6.4 ( 3.1) | < 0.001 |
| Demographic characteristics | |||||
| Age, mean (SD), years | 52.76 (19.60) | 50.26 (19.78) | 53.29 (19.53) | 48.48 (19.52) | < 0.001 |
| Male sex, n (%) | 3529 (47.8) | 260 (48.5) | 3054 (47.9) | 215 (44.8) | 0.389 |
| Race/ethnicity, n (%) | |||||
| Asian | 624 (8.4) | 31 (5.8) | 564 (8.9) | 29 (6.0) | < 0.001 |
| Hispanic/Latinx | 2423 (32.8) | 158 (29.5) | 2136 (33.5) | 129 (26.9) | |
| Non-Hispanic Black | 1212 (16.4) | 97 (18.1) | 1034 (16.2) | 81 (16.9) | |
| Non-Hispanic White | 2416 (32.7) | 193 (36.0) | 2031 (31.9) | 192 (40.0) | |
| Other | 368 (5.0) | 21 (3.9) | 324 (5.1) | 23 (4.8) | |
| Clinical characteristics | |||||
| Elixhauser comorbidity scorea, mean ± SD | 7.44 (11.84) | 6.31 (10.24) | 7.50 (11.95) | 7.82 (11.98) | 0.060 |
| Obesity, n (%) | 1697 (23.0) | 109 (20.3) | 1498 (23.5) | 90 (18.8) | 0.019 |
| Hypertension, n (%) | 3001 (40.6) | 176 (32.8) | 2648 (41.6) | 177 (36.9) | < 0.001 |
| Diabetes mellitus, n (%) | 1804 (24.4) | 105 (19.6) | 1597 (25.1) | 102 (21.2) | 0.004 |
| Prior myocardial infarction or heart failure, n (%) | 1230 (16.6) | 70 (13.1) | 1073 (16.8) | 87 (18.1) | 0.052 |
| Prior COPD or asthma, n (%) | 1326 (17.9) | 78 (14.6) | 1174 (18.4) | 74 (15.4) | 0.026 |
COPD, chronic obstructive pulmonary disease; SD, standard deviation
aElixhauser comorbidity score calculated using the van Walraven method