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Table 3 Microorganisms isolated in patients with ventilator-associated pneumonia

From: Hyperoxemia as a risk factor for ventilator-associated pneumonia

Microorganisms Number (%)
Gram-negative bacilli 116 (82)
Pseudomonas aeruginosa 48 (34)
Escherichia Coli 14 (10)
Acinetobacter baumannii 13 (9)
 Enterobacter sp. 13 (9)
 Klebsiella sp. 8 (5)
Proteus mirabilis 6 (4)
 Serratia sp. 5 (3.5)
Stenotrophomonas maltophilia 4 (2.8)
 Others 5 (3.5)
Gram-positive cocci 33 (23)
 Methicillin-resistant Staphylococcus aureus 11 (7.8)
Staphylococcus epidermidis 7 (5)
 Methicillin-sensitive Staphylococcus aureus 5 (3.5)
 Enterococcus sp. 5 (3.5)
Streptococcus pneumoniae 5 (3.3)