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Table 2 Microbiological identification in 71 ventilator-associated pneumonia patients and mortalitya

From: Copeptin, a novel prognostic biomarker in ventilator-associated pneumonia

Microorganism Survivors (n = 56b) Nonsurvivors (n = 31b) Total (n = 87b)
Pseudomonas aeruginosa 9 (16.1) 6 (19.4) 15 (17.2)
Staphylococcus aureus oxacillin resistant 8 (14.3) 5 (16.1) 13 (14.9)
Staphylococcus aureus oxacillin sensitive 7 (12.5) 1 (3.2) 8 (9.2)
Stenotrophomonas maltophilia 3 (5.4) 3 (9.7) 6 (6.9)
Acinetobacter sp 4 (7.1) 1 (3.2) 5 (5.7)
Klebsiella pneumoniae 2 (3.6) 3 (9.7) 5 (5.7)
Enterobacter sp 4 (7.1) 0 4 (4.6)
Haemophilus sp 4 (7.1) 0 4 (4.6)
Escherichia coli 0 2 (6.5) 2 (2.3)
Citrobacter koseri 2 (3.6) 0 2 (2.3)
Proteus mirabilis 2 (3.6) 0 2 (2.3)
Other 5 (8.9) 1 (3.2) 6 (6.9)
Nonidentified 6 (10.7) 9 (29.0) 15 (17.2)
  1. Data presented as the frequency (%). Not all percentages add up to 100 because of rounding. aPositive quantitative endotracheal aspirate when ≥105 colony-forming units/ml. bWe identified more than one microorganism in 11 patients who survived and in five patients who died. In total, 16 patients had more than one microorganism identified.