Research Article
A Retrospective Study on Bile Culture and Antibiotic Susceptibility Patterns of Patients with Biliary Tract Infections
Table 3
The frequency of different microorganisms in positive bile and blood cultures.
| | Pathogen | Bile culture N = 47 | Blood culture N = 30 | χ2 | P | | % | (n) | % | (n) |
| | Gram-negative bacteria | Escherichia coli | 17.02 | 8 | 33.40 | 10 | 2.720 | 0.099 | | Klebsiella pneumoniae | 12.77 | 6 | 13.40 | 4 | 0.005 | 0.942 | | Enterobacter cloacae | 4.25 | 2 | 6.70 | 2 | 0.216 | 0.642 | | Pseudomonas aeruginosa | 4.25 | 2 | 3.30 | 1 | 0.042 | 0.838 | | ESBL-producing Escherichia coli | 6.38 | 3 | 3.30 | 1 | 0.346 | 0.557 | | Morganella | 0.00 | 0 | 3.30 | 1 | 1.587 | 0.208 | | Aeromonas hydrophila | 0.00 | 0 | 3.30 | 1 | 1.587 | 0.208 | | Proteus mirabilis | 8.51 | 4 | 3.30 | 1 | 0.808 | 0.369 | | Stenotrophomonas maltophilia | 0.00 | 0 | 3.30 | 1 | 1.587 | 0.208 | | Proteus | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | Acinetobacter baumannii | 4.25 | 2 | 0.00 | 0 | 1.311 | 0.252 | | Corynebacterium diphtheriae | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | Morganella | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | ESBL-producing Klebsiella pneumoniae | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | Sphingomonas | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | Citrobacter freundii | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | Scented Serratia | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | Aeromonas | 2.13 | 1 | 0.00 | 0 | 0.647 | 0.421 | | Bacillus subtilis | 2.13 | 1 | 0.00 | 0 | 0.641 | 0.421 | | Total | 76.60 | 36 | 73.30 | 22 | 0.105 | 0.746 |
| | Gram-positive bacteria | Enterococcus faecalis | 21.27 | 10 | 13.40 | 4 | 0.777 | 0.378 | | Staphylococcus epidermidis | 0.00 | 0 | 10.00 | 3 | 4.891 | 0.027 | | Green grass Streptococci | 0.00 | 0 | 3.30 | 1 | 1.587 | 0.208 | | MRSE | 2.13 | 1 | 0.00 | 0 | 0.641 | 0.421 | | Total | 23.40 | 11 | 26.70 | 8 | 0.105 | 0.746 |
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MRSE: methicillin-resistant Staphylococcus epidermidis.
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