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Table 2 Bacterial identification results and sensitivity of detection of the rapid diagnosis strategy

From: Evaluation of Rapid Sepsityper® protocol and specific MBT-Sepsityper module (Bruker Daltonics) for the rapid diagnosis of bacteremia and fungemia by MALDI-TOF-MS

Bacterial species Sensitivity (%) Bacterial species Sensitivity (%)
Gram positive bacteria Gram negative bacteria
Staphylococcus (n = 98) Enterobacterales (n = 109)
S. aureus 30/37 (81.1%) E. coli 72/77 (93.5%)
CoNS K. pneumoniae 6/7 (85.7%)
S. epidermidis 28/43 (65.1%) P. mirabilis 6/7 (85.7%)
S. hominis 8/9 (88.9%) E. complex cloacae 5/5 (100%)
S. haemolyticus 2/3 (66.7%) C. freundii 2/2 (100%)
S. capitis 2/2 (100%) C. koseri 2/2 (100%)
S. lugdunensis 1/1 (100%) H. alvei 2/2 (100%)
S. pasteuri 0/1 (0%) S. marcescens 1/2 (50%)
S. caprae 0/1 (0%) K. variicola 0/2 (0%)
S. pettenkoferi 0/1 (0%) K. oxytoca 0/1 (0%)
Streptococcus (n = 32) Salmonella sp 1/1 (100%)
S. pneumoniae 1/6 (16.7%) P. agglomerans 0/1 (0%)
S. gallolytcus 3/6 (50%) Others (n = 24)
S. mitis/oralis 3/5 (60%) P. aeruginosa 7/8 (87.5%)
S. pyogenes 3/4 (75%) H. influenzae 0/2 (0%)
S. agalactiae 2/2 (100%) F. nucleatum 0/2 (0%)
S. milleri group 2/3 (66.7%) B. fragilis 0/2 (0%)
S. dysgalactiae 2/2 (100%) R. radiobacter 1/1 (100%)
S. gordonii 0/2 (0%) L. trevisani 0/1 (0%)
S. parasanguinis 0/1 (0%) P. heparinolytica 0/1 (0%)
S. sanguinis 0/1 (0%) B. uniformis 0/1 (0%)
Enterococcus (n = 11) C. jejuni 0/1 (0%)
E. faecalis 5/6 (83.3%) C. fetus 0/1 (0%)
E. faecium 4/5 (80%) O. anthropi 0/1 (0%)
Others (n = 12) A. caviae 0/1 (0%)
C. acnes 1/2 (50%) A. ursingii 0/1 (0%)
F. magna 1/1 (100%) R. mucosa 0/1 (0%)
M. luteus 1/1 (100%)   
L. rhamnosus 1/1 (100%)   
R. dentocariosa 0/1 (0%)   
L. casei 0/1 (0%)   
P. micra 0/1 (0%)   
C. ramosum 0/1 (0%)   
C. minutissimum 0/1 (0%)   
G. aichiensis 0/1 (0%)   
Microbacterium sp 0/1 (0%)   
Total 100/153 (65.4%)   105/133 (78.9%)
  1. Bacterial species identified by the rapid diagnosis strategy (RS ± FA) in Gram-positive and Gram-negative monomicrobial positive blood culture