Figure 1From: Morbidity and cost burden of methicillin-resistant Staphylococcus aureus in early onset ventilator-associated pneumoniaEtiologic agents of ventilator-associated pneumonia: frequencies. Staphylococcus aureus (31%) was the most frequent organism isolated in patients with a confirmed diagnosis of ventilator-associated pneumonia followed by Pseudomonas aeruginosa (21%), Haemophilus influenzae (12%), Klebsiella pneumoniae (8%), and Escherichia coli (6%). Other identified organisms accounted for 22% of all isolates.Back to article page