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Table 2 Frequencies of identified microorganisms and sites of isolation

From: Incidence, organ dysfunction and mortality in severe sepsis: a Spanish multicentre study

  %
Gram negative bacilli (GNB) (n = 129) 50
E. coli 37.2
Pseudomonas aeuruginosa 20.9
Acinetobacter baumanii 10.9
Legionella pneumophila 7.8
Klebsiella pneumoniae 3.1
Proteus mirabilis 3.1
Serratia marcescens 2.3
Haemophilus influenzae 2.3
Gram positive cocci (GPC) (n = 104) 40.3
Staphylococcus aureus 32.7
Streptococcus pneumoniae 21.2
Enterococcus faecalis 9.6
Staphylococcus epidermidis 7.7
Coagulase negative Staphylococcus 6.7
Others 22.1
Fungi (n = 15) 5.8
Candida albicans 66.7
Candida spp 20
Pneumocystis carinii 13.3
Other (n = 10) 3.9
Clostridium perfringens 50
Corinebacterium 20
Clostridium ramosum 10
Neisseria meningitidis 10
Herpes Zoster virus 10
GNB sites:  
   Tracheal aspirations 33.8
   Blood cultures 23.3
   Abdomen 13.7
   Serology 7
   Surgical wound 5.4
   Urine 5.4
   Skin 3.1
   Others 3.3
GPC sites:  
   Tracheal aspirations 33.7
   Blood cultures 31.7
   Abdomen 10.6
   Surgical wound 7.7
   Serology for pneumococci 6.8
   Skin 2.9
   Catheter 2.9
   Others 4.7
Fungi sites:  
   Tracheal aspiration 26.7
   Urine 26.7
   Bronchoalveolar lavage 13.3
   Abdomen 13.3
   Others 20