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Table 5 Distribution of microorganisms implicated in MC-CRBSI episodes

From: Surveillance of catheter-related infections: the supplementary role of the microbiology laboratory

Aetiological agent % (n = number of isolates) % (n = number of MC-CRBSI events)* Rank based on number of events
Gram-positive bacteria    
 Staphylococci    
   S. epidermidis 28.2 (55) 25.7 (18) 1
   S. aureus 8.2 (16) 10 (7) 3
   S. haemolyticus 4.1 (8) 4.29 (3) 5
 Enterococci    
   E. faecalis 4.1 (8) 4.29 (3) 5
   E. faecium 1.0 (2) 1.43 (1) 6
Gram-negative bacteria    
  Environmental gram-negatives    
   Acinetobacter baumannii complex 17.9 (35) 20 (14) 2
   Pseudomonas aeruginosa 7.2 (14) 7.14 (5) 4
   Stenotrophomonas maltophilia 1.5 (3) 1.43 (1) 6
   Achromobacter species 1.0 (2) 1.43 (1) 6
Enterobacteriaceae    
   Enterobacter cloacae 8.7 (17) 7.14 (5) 4
   Klebsiella pneumoniae 6.2 (12) 7.14 (5) 4
   Klebsiella oxytoca 2.6 (5) 1.43 (1) 6
   Escherichia coli 2.6 (5) 1.43 (1) 6
   Proteus mirabilis 1.5 (3) 1.43 (1) 6
Fungi    
   Candida species    
   C. albicans 3.6 (7) 4.29 (3) 5
   C. parapsilosis 1.5 (3) 1.43 (1) 6
  1. *Five MC-CRBSI events were polymicrobial, which will explain why the total number of MC-CRBSI-events is divided by 70.