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Table 1 Number of participants colonized with gram-negative bacteria by body site of 101 * non-deployed, healthy US military service members presenting to a troop medical clinic

From: Multidrug-resistant gram-negative bacteria colonization of healthy US military personnel in the US and Afghanistan

Isolate** Nares Oropharynx Axilla Groin Hand Foot Perirectal Number of participants colonized
Total MDR bacteria (all Escherichia coli) 0 0 0 0 0 0 2 (3) 2 (3)
Total non-MDR bacteria 4 (4) 14 (17) 11 (12) 9 (14) 7 (7) 27 (35) 65 (99) 85 (188)
Acinetobacter baumannii-calcoaceticus complex 0 1 (1) 0 0 1 (1) 4 (4) 2 (2) 8 (8)
Acinetobacter lwoffii 0 1 (1) 0 1 (1) 0 4 (5) 2 (2) 8 (9)
Alcaligenes species 0 1 (1) 0 0 1 (1) 2 (2) 1 (1) 5 (5)
Citrobacter species 0 0 0 0 0 0 11 (11) 11 (11)
Enterobacter aerogenes 1 (1) 0 2 (2) 1 (1) 0 0 1 (1) 5 (5)
Enterobacter cloacae 0 1 (1) 0 0 1 (1) 0 4 (4) 6 (6)
Escherichia coli 2 (2) 0 2 (3) 1 (1) 0 0 49 (54) 49 (60)
Klebsiella oxytoca 0 1 (1) 0 1 (1) 0 0 2 (3) 2 (5)
Klebsiella pneumoniae 0 1 (1) 1 (1) 2 (2) 0 1 (1) 8 (8) 12 (13)
Proteus species 0 0 1 (1) 0 0 1 (1) 0 2 (2)
Pseudomonas aeruginosa 0 4 (4) 0 0 0 2 (2) 0 5 (6)
Serratia marcescens 1 (1) 1 (1) 4 (4) 1 (1) 2 (2) 2 (2) 1 (1) 9 (12)
Stenotrophomonas maltophilia 0 2 (2) 0 0 0 3 (3) 1 (1) 5 (6)
Other*** 0 4 (4) 1 (1) 4 (7) 2 (2) 12 (15) 11 (11) 34 (40)
  1. Number of isolates in parentheses.
  2. *100 participants were swabbed at the oropharynx and 99 individuals were swabbed in the perirectal sites.
  3. **Participants can be colonized with multiple bacteria or clones of bacteria.
  4. ***Other isolates include: Acinetobacter species (2), Acinetobacter haemolyticus (2), Burkholderia cepacia, Burkholderia gladioli, Comamonas testosteroni, Enterobacter hormaechei, Leclericia adecarboxylata, Moraxella species (6), Morganella morganii (3), Ochrobactrum anthropi (2), Pantoea agglomerans (6), Providencia alcalifaciens, Pseudomonas species, Pseudomonas fluorescens, Pseudomonas luteola, Pseudomonas oryzihabitans (3), Pseudomonas putida, Pseudomonas stutzeri (2), Rhizobium radiobacter, Shewanella putrefaciens, Shigella flexneri (2).