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Table 6 Comparison of gram-negative bacterial colonization by traditional culture and PCR/ESI-TOF-MS per subject

From: The use of PCR/Electrospray Ionization-Time-of-Flight-Mass Spectrometry (PCR/ESI-TOF-MS) to detect bacterial and fungal colonization in healthy military service members

Organism Nares Oropharynx Groin
  Culture ESI-MS Culture ESI-MS Culture ESI-MS
Total organisms 4 7 17 10 13 4
Acinetobacter baumannii-calcoaceticus complex 0 0 1 0 0 0
Acinetobacter lwoffii 0 0 1 0 1 0
Acinetobacter species 0 0 0 2 0 1
Alcaligenes sp. 0 0 1 0 0 0
Citrobacter sp. 0 0 0 0 0 0
Enterobacter aerogenes 1 0 0 0 1 1
Enterobacter cloacae 0 0 1 0 0 0
Escherichia coli 2 3 0 4 1 0
Klebsiella oxytoca 0 0 1 0 1 0
Klebsiella pneumoniae 0 2 1 0 2 2
Moraxella sp. 0 0 0 1 0 0
Ochrobactrum anthropi 0 0 2 0 0 0
Pantonea agglomerans 0 0 0 0 2 0
Proteus mirabilis 0 2 0 1 0 0
Pseudomonas aeruginosa 0 0 4 0 0 0
Pseudomonas fluorescens 0 0 1 0 0 0
Pseudomonas oryzihabitans 0 0 0 0 1 0
Pseudomonas species 0 0 1 0 0 0
Pseudomonas stutzeri 0 0 0 0 1 0
Salmonella spp. 0 0 0 2 0 0
Shigella flexneri 0 0 0 0 1 0
Serratia marcescens 1 0 1 0 1 0
Shewanella putrefaciens 0 0 0 0 1 0
Stenotrophomonas maltophilia 0 0 2 0 0 0