Table 2 Distribution of leading pathogens in patients with ventilator-associated pneumonia
From: Staffing level: a determinant of late-onset ventilator-associated pneumonia
Details regarding episodes of infection | Total (%)a |
|---|---|
Number of episodes microbiologically documented | 177 |
Number of microorganisms identified | 271 |
Gram-negative microorganisms | 140 (52) |
Pseudomonas aeruginosa | 25 (9) |
Enterobacter spp. | 20 (7) |
Escherichia coli | 17 (6) |
Klebsiella pneumoniae | 15 (6) |
Proteus mirabilis | 7 (3) |
Haemophilus influenzae | 6 (2) |
Non-aeruginosa Pseudomonas spp. | 6 (2) |
Serratia marcescens | 5 (2) |
Other Gram-negative micro-organismsb | 39 (14) |
Gram-positive microorganisms | 75 (28) |
Staphylococcus aureus | 55 (20) |
Coagulase-negative staphylococci | 10 (4) |
Enterococus faecalis | 3 (1) |
Streptococcus pneumoniae | 2 (1) |
Other streptococci | 2 (1) |
Other Gram-positive micro-organisms | 3 (1) |
Other micro-organisms | 56 (21) |
Candida albicans | 34 (13) |
Non-albicans Candida spp. | 6 (2) |
Other micro-organismsc | 16 (6) |