Table 1.
Demographic characteristics of patients hospitalized with COVID-19 who did or did not develop critical illness.
| Total (n = 523) | Critical illness |
P-valuea | ||
|---|---|---|---|---|
| No (n = 413) | Yes (n = 110) | |||
| Age, mean (SD), years | 65.63 (17.89) | 63.58 (17.52) | 73.31 (17.25) | <0.001 |
| Sex, n (%) | 0.032 | |||
| Male | 271 (51.8) | 204 (49.4) | 67 (60.9) | |
| Female | 252 (48.2) | 209 (50.6) | 43 (39.1) | |
| Obesity, n (%) | 123 (23.5) | 91 (22) | 32 (29.1) | 0.121 |
| COPD, n (%) | 44 (8.4) | 28 (6.8) | 16 (14.5) | 0.009 |
| Diabetes, n (%) | 114 (21.8) | 83 (20.1) | 31 (28.2) | 0.068 |
| Hypertension, n (%) | 225 (43) | 157 (38) | 68 (61.8) | <0.001 |
| Coronary artery disease, n (%) | 53 (10.1) | 37 (9) | 16 (14.5) | 0.084 |
| Cerebrovascular disease, n (%) | 53 (10.1) | 33 (8) | 20 (18.2) | 0.002 |
| HBV infection, n (%) | 4 (0.8) | 3 (0.7) | 1 (0.9) | 0.180 |
| Unknown, n (%) | 162 (31) | |||
| Malignancy, n (%) | 56 (10.7) | 39 (9.4) | 17 (15.5) | 0.07 |
| Chronic kidney disease, n (%) | 51 (9.8) | 27 (6.5) | 24 (21.8) | <0.001 |
| Immunodeficiency, n (%) | 25 (4.8) | 16 (3.9) | 9 (8.2) | 0.06 |
| ≥1 comorbidities, n (%) | 312 (59.7) | 221 (53.5) | 91 (82.7) | 0.009 |
COPD, chronic obstructive pulmonary disease; HBV, hepatitis B virus; SD, standard deviation.
a
T-test or Chi-square test (as appropriate in each case).