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Table 1 Gram-negative bacteria from monomicrobial blood cultures identified by the direct MALDI-TOF method

From: A new rapid method for direct antimicrobial susceptibility testing of bacteria from positive blood cultures

Species Correctly identified with score value of: Unidentified Total
3.000–2.300 2.299–2.000 1.999–1.700 <1.700
Escherichia coli 17 7     24
Klebsiella pneumoniae 12 11 1   1 25
Enterobacter aerogenes 1 1     2
Enterobacter cloacae   4     4
Morganella morganii 1 1     2
Serratia marcescens   1 1    2
Salmonella spp.   1     1
Proteus mirabilis 1      1
Raoultella ornithinolytica 1      1
Pseudomonas aeruginosa 5 3 2 1 1 12
Acinetobacter baumannii   3     3
Stenotrophomonas maltophilia   2     2
Acinetobacter ursingii   1     1
Total 38 35 4 1 2 80