Table 1 Baseline characteristics stratified by intensive care unit admission or all-cause mortality status
Characteristic n (%) or median (IQR) | Overall (n = 18,647) | ICU or deceased (n = 687) | No ICU and survived (n = 17,960) | P* |
|---|---|---|---|---|
Age (years) | 50 (36–66) | 80 (69–87) | 49 (35–64) | < 0.001 |
Sex (male) | 7701 (41.3%) | 376 (54.7%) | 7325 (40.8%) | < 0.001 |
Number of comorbidities | < 0.001 | |||
None | 15,651 (83.9%) | 298 (43.4%) | 15,353 (85.5%) | |
1 | 2213 (11.9%) | 233 (33.9%) | 1980 (11.0%) | |
2 | 600 (3.2%) | 103 (15.0%) | 497 (2.8%) | |
≥ 3 | 183 (1.0%) | 53 (7.7%) | 130 (0.7%) | |
Types of comorbidities | ||||
Diabetes mellitus | 1056 (5.7%) | 128 (18.6%) | 928 (5.2%) | < 0.001 |
Respiratory | 841 (4.5%) | 94 (13.7%) | 747 (4.2%) | < 0.001 |
Neurological/muscular | 730 (3.9%) | 136 (19.8%) | 594 (3.3%) | < 0.001 |
Malignancy | 568 (3.0%) | 63 (9.2%) | 505 (2.8%) | < 0.001 |
Cardiovascular/kidney | 410 (2.2%) | 131 (19.1%) | 279 (1.6%) | < 0.001 |
Hematological | 201 (1.1%) | 35 (5.1%) | 166 (0.9%) | < 0.001 |
Liver | 102 (0.5%) | 11 (1.6%) | 91 (0.5%) | < 0.001 |
HIV infection | 99 (0.5%) | 13 (1.9%) | 86 (0.5%) | < 0.001 |
Hospital admission | 2952 (15.8%) | 561 (81.7%) | 2391 (13.3%) | < 0.001 |
Time from symptoms onset to hospital admission (days) (n = 1910) | 4 (2–7) | 4 (2–8) | 4 (2–7) | 0.37 |
Follow-up (days) (n = 14,470) | 27 (19–33) | 27 (20–34) | 27 (19–33) | 0.13 |