Table 4 List of ventilator-associated pneumonia-related isolates
VAP group | All | Early (< 5 days *) | Late (≥ 5 days *) | Mono-microbial | Poly-microbial |
|---|---|---|---|---|---|
Headcount | 143 | 14 | 129 | 86 | 55 |
Total number of isolates | 205 | 17 | 188 | 86 | 119 |
Enterobacteria—no. (%) | 102 (49.8) | 6 (35.3) | 96 (51.1) | 38 (44.2) | 64 (53.8) |
Escherichia coli—no. (%) | 26 (12.7) | 3 (17.6) | 23 (12.2) | 11 (12.8) | 15 (12.6) |
Klebsiella pneumoniae—no. (%) | 16 (7.8) | – | 16 (8.5) | 8 (9.3) | 8 (6.7) |
Serratia marcescens—no. (%) | 12 (5.9) | – | 12 (6.4) | 6 (7.0) | 6 (5.0) |
Enterobacter cloacae—no. (%) | 10 (4.9) | – | 10 (5.3) | 3 (3.5) | 7 (5.9) |
Citrobacter koseri—no. (%) | 9 (4.4) | 1 (5.9) | 8 (4.3) | 3 (3.5) | 6 (5.0) |
Hafnia alvei—no. (%) | 8 (3.9) | 1 (5.9) | 7 (3.7) | 4 (4.7) | 4 (3.4) |
Klebsiella aerogenes—no. (%) | 8 (3.9) | – | 8 (4.3) | 3 (3.5) | 5 (4.2) |
Klebsiella oxytoca—no. (%) | 5 (2.4) | – | 5 (2.7) | – | 5 (4.2) |
Proteus mirabilis—no. (%) | 4 (2.0) | – | 4 (2.1) | – | 4 (3.4) |
Other Proteus—no. (%) | 2 (1.0) | 1 (5.9) | 1 (0.5) | – | 2 (1.7) |
Citrobacter freundii—no. (%) | 1 (0.5) | – | 1 (0.5) | – | 1 (0.8) |
Other Enterobacter—no. (%) | 1 (0.5) | – | 1 (0.5) | – | 1 (0.8) |
Pseudomonas aeruginosa—no. (%) | 31 (15.1) | 1 (5.9) | 30 (16.0) | 19 (22.1) | 12 (10.1) |
Staphylococcus aureus—no. (%) | 28 (13.7) | 4 (23.5) | 24 (12.8) | 15 (17.4) | 13 (10.9) |
Enterococcus faecalis—no. (%) | 11 (5.4) | – | 11 (5.9) | 3 (3.5) | 8 (6.7) |
Other Gram-negative bacteria—no. (%) | 21 (10.2) | 2 (11.8) | 19 (10.1) | 8 (9.3) | 13 (10.9) |
Stenotrophomonas maltophilia—no. (%) | 8 (3.9) | – | 8 (4.3) | 4 (4.7) | 4 (3.4) |
Haemophilus—no. (%) | 5 (2.4) | 1 (5.9) | 4 (2.1) | – | 5 (4.2) |
Acinetobacter baumanii—no. (%) | 4 (2.0) | – | 4 (2.1) | 2 (2.3) | 2 (1.7) |
Other Pseudomonas and related—no. (%) | 2 (1.0) | – | 2 (1.1) | 2 (2.3) | – |
Other non-Enterobacteria—no. (%) | 2 (1.0) | 1 (5.9) | 2 (1.1) | 1 (1.1) | 1 (0.8) |
Obligate anaerobe—no. (%) | 1 (0.5) | – | 1 (0.5) | – | 1 (0.8) |
Other Gram-positive bacteria—no. (%) | 12 (5.9) | 4 (23.5) | 8 (4.3) | 3 (3.4) | 9 (7.5) |
Other Streptococci—no. (%) | 5 (2.4) | 2 (11.8) | 3 (1.6) | 1 (1.2) | 4 (3.4) |
Streptococcus agalactiae—no. (%) | 2 (1.0) | 1 (5.9) | 1 (0.5) | – | 2 (1.7) |
Streptococcus pneumonia—no. (%) | 2 (1.0) | 1 (5.9) | 1 (0.5) | 1 (1.2) | 1 (0.8) |
Enterococcus faecium—no. (%) | 1 (0.5) | – | 1 (0.5) | – | 1 (0.8) |
Corynebacterium—no. (%) | 1 (0.5) | – | 1 (0.5) | – | 1 (0.8) |