Research Article
Comparison of Autof ms1000 and Bruker Biotyper MALDI-TOF MS Platforms for Routine Identification of Clinical Microorganisms
Table 5
Detailed results of microorganisms that either were misidentified or could not be identified by one or both MALDI-TOF MS systems.
| Test groups | Reference | Autof ms1000 | Bruker Biotyper | Result | Range | Agreement | Result | Score | Agreement |
| Preserved strains | Streptococcus pneumoniae | S. pneumoniae | 9.400 | ID species | S. pneumoniae | 1.924 | ID genus | Serratia nematodiphila | S. marcescens | 9.431 | MisID species | S. ureilytica | 2.136 | MisID species | Candida orthopsilosis | C. orthopsilosis | 9.507 | ID species | C. orthopsilosis | 1.82 | ID genus | Streptococcus parasanguinis | S. parasanguinis | 9.361 | ID species | S. parasanguinis | 1.907 | ID genus | Candida glabrata | C. glabrata | 9.441 | ID species | C. glabrata | 1.866 | ID genus | Eggerthella lenta | E. lenta | 8.967 | ID genus | E. lenta | 2.114 | ID species | Acinetobacter bereziniae | A. guillouiae | 9.127 | MisID species | A. bereziniae | 2.177 | ID species | Candida auris | No reliable ID | 5.401 | No ID | C. auris | 2.031 | ID species | Candida auris | No reliable ID | 4.755 | No ID | C. auris | 1.892 | ID genus | Clinical isolates | Candida auris | No reliable ID | 4.952 | No ID | C. auris | 2.073 | ID species | Enterococcus gallinarum | E. casseliflavus | 9.543 | MisID species | E. casseliflavus | 1.905 | ID genus | Klebsiella oxytoca | Raoultella ornithinolytica | 9.159 | MisID species | K. oxytoca | 2.173 | ID species | Staphylococcus epidermidis | S. epidermidis | 9.508 | ID species | S. epidermidis | 1.982 | ID genus |
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Abbreviations: ID = identification; MisID = misidentification.
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