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Table 1 Baseline characteristics stratified by intensive care unit admission or all-cause mortality status

From: Age, sex, and comorbidities predict ICU admission or mortality in cases with SARS-CoV2 infection: a population-based cohort study

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
  1. IQR interquartile range, HIV human immunodeficiency virus, ICU intensive care unit
  2. *Chi-square (categorical variables) or Mann-Whitney (continuous variables) tests (α = 0.05)