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Table 2 Incidence of VAP (percentage of total patients and number of VAP episodes/1000 ventilator days)

From: Manipulation of the microbiome in critical illness—probiotics as a preventive measure against ventilator-associated pneumonia

 

Incidence VAP

Incidence VAP

 

Author, year

Intervention group (percentage of patients [n = patients])

Control group (percentage of patients [n = patients])

Relative risk (95% CI)

Intervention group (VAP episodes/1000 ventilator days)

Control group (VAP episodes/1000 ventilator days)

Relative risk

Morrow et al., 2010 [29]

19.1% (n = 68)

40.0% (n = 70)

0.5 (0.3 to 0.8)

   

Rongrungruang et al., 2015 [32]

24.0% (n = 75)

29.3% (n = 75)

0.8 (0.3 to 0.6)

22.6

30.2

0.8

Klarin et al., 2008 [28]

4.3% (n = 23)

14.3% (n = 21)

0.3 (0.0 to 2.7)

   

Knight et al., 2009 [33]

9.0% (n = 130)

13.0% (n = 129)

0.7 (0.4 to 1.4)

13.0

14.6

0.9

Forestier et al., 2008 [27]

23.5% (n = 102)

22.6% (n = 106)

1.0 (0.6 to 1.7)

   

Barraud et al., 2010 [26]

26.4% (n = 87)

18.7% (n = 80)

1.4 (0.8 to 2.5)

23.0

14.6

1.6

Zeng et al., 2016 [31]

36.4% (n = 118)

50.4% (n = 117)

0.7 (0.5 to 1.0)