Urinary Tract Infections
The Agents that cause Urinary Tract Infections
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The causative agents of urinary tract infections in hospitalised infections show a different distribution from those that occur in the community...
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Hospital patients:
- Escherichia coli: 40%
- Coagulase-negative staphylococci: 3%
- 'Other' Gram-negative bacteria: 25%
- 'Other' Gram-positive bacteria: 16%
- Candida albicans: 5%
- Proteus mirabilis: 11%
Community-acquired Urinary Tract Infections:
- Escherichia coli: 80%
- Coagulase-negative staphylococci: 7%
- 'Other' Gram-negative bacteria: 4%
- 'Other' Gram-positive bacteria: 3%
- Proteus mirabilis: 6%
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Gram-negative bacteria other than Escherichia coli causing
urinary tract infections, particularly in hospitalised patients, commonly
include Klebsiella spp., Enterobacter spp., Serratia
spp. and Pseudomonas aeruginosa.
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Page edited April 2006
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