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Table 2 Clinical outcomes of patients with COVID-19 categorized according to vaccination status

From: Influence of vaccination on critical COVID-19 patients with acute respiratory failure: a retrospective cohort study

 

All cases (n = 215)

Vaccination (n = 143)

Non-vaccination (n = 72)

p-value

Outcomes

 In hospital mortality

95 (44.2)

63 (44.1)

32 (44.4)

0.957

 28-day mortality

66 (30.7)

43 (30.1)

23 (31.9)

0.779

 Hospital days

27 (16–42)

25 (15–41)

30 (16–43)

0.509

 28-day ventilator-free days

4 (0–18)

6 (0–17)

2 (0–20)

0.917

 Time from symptoms onset to 1st Ct > 30, days

11 (5–17)

10 (5–17)

11 (6–18)

0.575

Complications

 CMV infection

38 (17.7)

27 (18.9)

11 (15.3)

0.686

 GI bleeding

62 (28.8)

45 (31.5)

17 (23.6)

0.230

 Other bleeding

50 (23.3)

38 (26.6)

12 (16.7)

0.105

 Barotrauma

7 (3.3)

6 (4.2)

1 (1.4)

0.274

 Thrombosis

13 (6.0)

10 (7.0)

3 (4.2)

0.412

 Secondary bacterial pneumonia

108 (50.2)

70 (49.0)

38 (52.8)

0.596

 Pulmonary fibrosis

13 (37.1)

9 (39.1)

4 (33.3)

0.736

  1. Vaccination means receiving at least one dose of COVID-19 vaccine. Data are presented as median (IQR) and n(%) unless otherwise indicated. Continuous data are expressed as median with IQR, and categorical data are expressed as number of patients (%). P-value is analyzed by Chi-square test or Mann–Whitney U test
  2. CMV cytomegalovirus