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Table 3 Bacterial isolates from abscess cavity cultures

From: The role of Enterococcus spp. and multidrug-resistant bacteria causing pyogenic liver abscesses

Bacterial isolatesa Number of isolates
Gram-positive aerobes
Staphylococcus aureus 2
 Coagulase neg. Staphylococci 13
 Viridans streptococci 7
 Group A Streptococci 1
Enterococcus spp. 39
 other gram-positive species 1
Gram-negative aerobes  
Escherichia coli 23
Klebsiella spp. 15
 other Enterobacteriaceae 14
Pseudomonas spp. 6
Stenotrophomonas spp. 3
Acinetobacter spp. 1
 other gram-negative species 4
Anaerobes 6
No bacterial growth 9
  1. aThere were 4 cases with negative abscess cavity culture and positive blood cultures only. In all cases the cultured isolates were directly associated with the underlying PLA