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Table 1 Demographics of patients with influenza A, influenza B or COVID-19

From: Community-acquired bacteraemia in COVID-19 in comparison to influenza A and influenza B: a retrospective cohort study

  Influenza A
(n = 325)
Influenza B
(n = 328)
COVID-19
(n = 678)
Gender, n (%)
 Male 189 (58.2) 162 (49.4) 443 (65.1)
Age (years), median (interquartile range) 71 (59–81) 74 (64–83) 70 (58–78)
Age categorized (years), n (%)
  < 40 29 (9.0) 20 (6.1) 19 (2.8)
 40–60 56 (17.2) 42 (12.8) 179 (26.3)
  > 60 240 (73.8) 266 (81.1) 483 (70.9)
Presentation, n (%)
 Emergency Department 292 (89.8) 272 (82.9) 613 (90.4)
 Outpatient clinic 1 (0.3) 1 (0.3) 4 (0.6)
 Nursing ward 31 (9.5) 52 (15.9) 55 (8.1)
 Intensive care 1 (0.3) 3 (0.9) 6 (0.9)