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Table 4 The 30-day all-cause mortality rate in patients with influenza A, influenza B or COVID-19 stratified by blood culture results

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

  Influenza A Influenza B COVID-19  
Mortality rate % (n) 95% CI % (n) 95% CI % (n) 95% CI p value
Overall 7.1 (23) 4.3–9.9 6.4 (21) 3.8–9.1 28.3 (192) 24.9–31.7 <.001**
With positive blood culture 18.9 (7) 6.3–31.5 2.9 (1) -2.7-8.4 26.2 (16) 15.2–37.3 0.02**
With relevant positive blood culture* 30.8 (4) 5.7–55.9 10.0 (1) −8.6-28.6 42.9 (3) 6.2–79.5 0.28***
  1. * Corrected for contamination
  2. ** Pearson’s chi-squared test
  3. *** Fisher’s exact test
  4. 95% CI = 95% confidence interval