Antibiotic Utilization Patterns in Patients with Ventilator-Associated Pneumonia: A Canadian Context

Table 2

VAP bacterial pathogens (total number of VAP cases = 200).

Bacteria	Number of pathogens (%)
Staphylococcus aureus	54 ()
Methicillin-sensitive	44
Methicillin-resistant	10
Hemophilus influenzae	26 ()
Enterobacter cloacae	14 ()
Pseudomonas aeruginosa	11 ()
Klebsiella species	10 ()
Non-ESBL	8
ESBL	2
Escherichia coli	9 ()
Non-ESBL	8
ESBL	1
Streptococcus pneumoniae	8 ()
Stenotrophomonas maltophilia	5 ()
Acinetobacter baumannii	3 ()
Serratia marcescens	3 ()
Citrobacter koseri, Citrobacter freundii	2 ()
Group A streptococci	2 ()
Others	9 ()

ESBL: extended-spectrum beta-lactamase producing organisms.
Including Streptococcus milleri, Group B Streptococcus, Group C Streptococcus, Oligella ureolytica, Aeromonas hydrophila, Neisseria meningitidis, Moraxella catarrhalis, and Achromobacter xylosoxidans, each of which was present in 1 VAP case.
Percentages add up to more than 100% given that more than one pathogen was recovered in several cases.