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Table 1 Microbial etiologies of ICU-acquired urinary tract infections, Calgary, Alberta, Canada

From: Intensive care unit-acquired urinary tract infections in a regional critical care system

Organism Occurrence (%)a
Escherichia coli 87 (23)
Candida albicans 74 (20)
Enterococcus species 57 (15)
Pseudomonas aeruginosa 34 (10)
Candida glabrata 20 (5)
Klebsiella species 20 (5)
Coagulase-negative staphylococci 18 (5)
Proteus mirabilis 17 (5)
Candida otherb 16 (4)
Enterobacter species 10 (3)
Citrobacter species 5 (1)
Staphylococcus aureus 4 (1)
Streptococcus species 3 (1)
Otherc 10 (3)
  1. aThe number of isolates (n = 375) exceeds the number of patients with ICU-acquired UTI because some patients had more than one UTI episode or had polymicrobial infection.
  2. bCandida krusei (1), C. lusitaniae (1), C. tropicalis (4), Candida not speciated (10).
  3. cIncludes Lactobacillus species (1), Proteus penneri (1), Serratia marcescens (2), Morganella morganii (2), Providencia rettgeri (1), Hafnia alvei (2) and Staphylococcus saphrophyticus (1).
  4. ICU, intensive care unit; UTI, urinary tract infection.