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Table 4 Microorganisms responsible for ventilator-associated pneumonia

From: Continuous control of tracheal cuff pressure for VAP prevention: a collaborative meta-analysis of individual participant data

 

Continuous control of P cuff

Yes (n = 36)

No (n = 72)

Microorganisms (n)

38

80

Polymicrobial VAP

2 (5)

8 (11)

MDR bacteria

13 (36)

30 (42)

Gram-negative

33 (92)

66 (92)

 Pseudomonas aeruginosa

5 (14)

14 (19)

 Enterobacter species

3 (8)

9 (12)

 Escherichia coli

6 (17)

5 (7)

 Citrobacter freundii

1 (3)

4 (5)

 Acinetobacter baumannii

2 (5)

5 (7)

 Haemophilus influenzae

8 (22)

8 (11)

 Stenotrophomonas maltophilia

1 (3)

4 (5)

 Klebsiella oxytoca

2 (5)

6 (8)

 Serratia species

2 (5)

7 (10)

 Others

3 (8)

4 (5)

Gram-positive

5 (14)

14 (19)

 Methicillin-resistant S. aureus

1 (3)

7 (10)

 Methicillin-sensitive S. aureus

1 (3)

3 (4)

 Streptococcus pneumoniae

1 (3)

2 (3)

 Others

2 (5)

2 (3)

  1. VAP ventilator-associated pneumonia, MDR multidrug resistant
  2. Data are number (%)
  3. p > 0.2 for all comparisons