Research Article
A Retrospective Study on Bile Culture and Antibiotic Susceptibility Patterns of Patients with Biliary Tract Infections
Table 2
Distribution of microorganisms isolated from bile specimens.
| | Microbial isolates | Total number | % |
| | Gram-negative bacteria (n = 215;76.8%) | Escherichia coli | 73 | 26.0 | | Klebsiella pneumoniae | 44 | 15.7 | | ESBL-Escherichia coli | 12 | 4.3 | | Pseudomonas aeruginosa | 12 | 4.3 | | Enterobacter | 12 | 4.3 | | Serratia odorifera | 8 | 2.8 | | Acinetobacter baumannii | 8 | 2.8 | | Klebsiella oxytoca | 7 | 2.4 | | Proteus mirabilis | 7 | 2.4 | | Citrobacter freundii | 6 | 2.1 | | Serratia marcescens | 4 | 1.4 | | Aeromonas hydrophila | 4 | 1.4 | | ESBL-producing Klebsiella pneumoniae | 3 | 1.1 | | Proteus vulgaris | 3 | 1.1 | | Morganella | 2 | 0.7 | | ESBL-producing Klebsiella oxytoca | 1 | 0.4 | | Proteus pannus | 1 | 0.4 | | Stenotrophomonas maltophilia | 1 | 0.4 | | Bacillus licheniformis | 1 | 0.4 | | Sphingomonas | 1 | 0.4 | | Aeromonas | 1 | 0.4 | | Moraxella catarrhalis | 1 | 0.4 | | C. faecalis | 1 | 0.4 | | Enterobacter aerogenes | 1 | 0.4 | | Bacillus subtilis | 1 | 0.4 |
| | Gram-positive bacteria (n = 63;22.5%) | Enterococcus faecalis | 34 | 12.1 | | Staphylococcus epidermidis | 11 | 3.9 | | Streptococcus viridis | 6 | 2.1 | | MRSE | 3 | 1.1 | | Streptococcus bovis | 3 | 1.1 | | Corynebacterium diphtheriae | 3 | 1.1 | | Staphylococcus aureus | 2 | 0.7 | | Enterococcus faecium | 1 | 0.4 | | Fungus (n = 2;0.7%) | Yeast-like fungus | 2 | 0.7 |
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MRSE: methicillin-resistant Staphylococcus epidermidis.
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