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Table 3 Types and species of organisms isolated in all positive blood cultures, in CLBSI and in primary ICU-BSI

From: Healthcare-associated bloodstream infections in critically ill patients: descriptive cross-sectional database study evaluating concordance with clinical site isolates

Organism isolated All isolates (n=537) CLBSI (n=32a) Primary ICU-BSI (n=73)
Gram-positive 333 (62.0) 10 (1.9) 20 (27.4)
Staphylococcus species (CoNS) 246 (45.8) 6 (1.1) -
Other contaminant species 26 (4.8) - -
Vancomycin-sensitive Enterococcus 31 (5.8) 2 (0.4) 12 (16.4)
Methicillin-sensitive S. aureus 13 (2.4) 1 (0.2) 2 (2.7)
Vancomycin-resistant Enterococcus 8 (1.5) 1 (0.2) 4 (5.5)
Streptococcus other species 4 (0.7) - 2 (2.7)
Methicillin-resistant S. aureus 1 (0.2) - -
Streptococcus pneumoniae 1 (0.2) - -
Unidentified probable contaminant 3 (0.6) - -
Gram-negative 174 (32.4) 13 (2.4) 45 (61.6)
Escherichia coli 32 (5.6) 1 (0.2) 7 (9.6)
Pseudomonas aeruginosa 43 (8.0) 6 (1.1) 6 (8.2)
Other 35(6.5)b 1 (0.2)c 13 (17.8)
Klebsiella species 27 (5.0) 4 (0.7) 10 (13.7)
Serratia species 18 (3.4) - 5 (6.8)
Enterobacter species 19 (3.5) 1 (0.2) 4 (5.5)
Fungi 30 (5.6) 9 (1.7) 8 (11.0)
Candida species 30 (5.6) 9 (1.7) 8 (11.0)
  1. aDenominator for calculating proportions was the total number of positive blood culture isolates (n =537). bIncludes Proteus, Bacteroides, Citrobacter, Morganella and Stenotrophomonas species. cProteus mirabilis.