TABLE 1.
Clinical characteristics and outcomes of 5,061 adult patients with confirmed COVID-19 in South Korea
| Variables | Male (n = 2,229) | Female (n = 2,832) | P value |
| Age, y | 45.62 ± 18.05 | 44.88 ± 17.49 | 0.140 |
| Comorbidities, no. (%) | |||
| Cardiovascular disease | 18 (0.81) | 31 (1.09) | 0.994 |
| Cerebrovascular disease | 13 (0.58) | 6 (0.21) | 0.032 |
| Hypertension | 296 (13.28) | 316 (11.16) | 0.022 |
| Heart failure | 51 (2.29) | 82 (2.90) | 0.18 |
| Diabetes | 234 (10.50) | 185 (6.53) | 0.079 |
| Pulmonary disease | 188 (8.43) | 241 (8.51) | 0.924 |
| Malignancy | 21 (0.94) | 18 (0.64) | 0.216 |
| Chronic kidney disease | 15 (0.67) | 10 (0.35) | 0.107 |
| Chronic liver disease | 2 (0.09) | 3 (0.11) | >0.999 |
| Treatments, no. (%) | |||
| Oxygen therapy | 144 (6.46) | 131 (4.63) | 0.004 |
| Invasive mechanical ventilation | 7 (0.31) | 3 (0.11) | 0.098 |
| Extracorporeal membrane oxygenation | 1 (0.04) | 1 (0.04) | 0.865 |
| Renal replacement therapy | 7 (0.31) | 6 (0.21) | 0.476 |
| Clinical outcomes | |||
| ICU admission, no. (%) | 60 (2.69) | 53 (1.87) | 0.049 |
| Length of ICU stay, d | 19.7 ± 11.80 | 14.75 ± 9.23 | 0.016 |
| Length of hospital stay for admitted patients, d | 5.02 ± 7.40 | 6.0 ± 8.03 | <0.001 |
| Mortality, no. (%) | 42 (1.88) | 42 (1.48) | 0.267 |
COVID-19, coronavirus disease 2019; ICU, intensive care unit.