Table 2.
Comparison of identification performance in preserved strains.
| Species | N | Autof ms1000 | Bruker Biotyper | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ID species | ID genus | No ID | MisID species | ID species | ID genus | No ID | MisID species | ||
| Enterobacterales (%) | 59 | 58 (98.3) | 0 (0.0) | 0 (0.0) | 1 (1.7) | 58 (98.3) | 0 (0.0) | 0 (0.0) | 1 (1.7) |
| Citrobacter freundii complex | 6 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 0 |
| Enterobacter aerogenes | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Enterobacter cloacae complex | 8 | 8 | 0 | 0 | 0 | 8 | 0 | 0 | 0 |
| Escherichia coli | 9 | 9 | 0 | 0 | 0 | 9 | 0 | 0 | 0 |
| Hafnia alvei | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Klebsiella oxytoca | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Klebsiella pneumoniae complex | 9 | 9 | 0 | 0 | 0 | 9 | 0 | 0 | 0 |
| Morganella morganii | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Pantoea agglomerans | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Proteus mirabilis | 5 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 |
| Proteus vulgaris | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Providencia rettgeri | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Providencia stuartii | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Salmonella species | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Serratia liquefaciens | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Serratia marcescens | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Serratia nematodiphila | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Yersinia enterocolitica | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Nonfermenters (%) | 26 | 25 (96.2) | 0 (0.0) | 0 (0.0) | 1 (3.8) | 26 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Achromobacter xylosoxidans | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Acinetobacter baumannii complex | 6 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 0 |
| Acinetobacter bereziniae | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Burkholderia cepacia complex | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Moraxella catarrhalis | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Pseudomonas aeruginosa | 8 | 8 | 0 | 0 | 0 | 8 | 0 | 0 | 0 |
| Pseudomonas stutzeri | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Stenotrophomonas maltophilia | 4 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 |
| Other Gram-negative rods (%) | 6 | 6 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 6 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Campylobacter jejuni | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Haemophilus influenzae | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Haemophilus parainfluenzae | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Neisseria gonorrhoeae | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Gram-positive cocci (%) | 77 | 77 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 75 (97.4) | 2 (2.6) | 0 (0.0) | 0 (0.0) |
| Aerococcus viridans | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Enterococcus avium | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Enterococcus casseliflavus | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Enterococcus faecalis | 8 | 8 | 0 | 0 | 0 | 8 | 0 | 0 | 0 |
| Enterococcus faecium | 9 | 9 | 0 | 0 | 0 | 9 | 0 | 0 | 0 |
| Enterococcus raffinosus | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Micrococcus luteus | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Parvimonas micra | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Rothia mucilaginosa | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Staphylococcus aureus | 10 | 10 | 0 | 0 | 0 | 10 | 0 | 0 | 0 |
| Staphylococcus capitis | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Staphylococcus epidermidis | 9 | 9 | 0 | 0 | 0 | 9 | 0 | 0 | 0 |
| Staphylococcus haemolyticus | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Staphylococcus hominis | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Staphylococcus lugdunensis | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Staphylococcus pasteuri | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Staphylococcus saprophyticus | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Streptococcus agalactiae | 6 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 0 |
| Streptococcus anginosus | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Streptococcus constellatus | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Streptococcus dysgalactiae | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Streptococcus gallolyticus | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Streptococcus intermedius | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Streptococcus oralis | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Streptococcus parasanguinis | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Streptococcus pneumoniae | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| Streptococcus pyogenes | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Streptococcus salivarius | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Gram-positive rods (%) | 3 | 3 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 3 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Corynebacterium striatum | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Listeria monocytogenes | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Anaerobes (%) | 12 | 11 (91.7) | 1 (8.3) | 0 (0.0) | 0 (0.0) | 12 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Bacteroides fragilis | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Bacteroides ovatus | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Bacteroides thetaiotaomicron | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Clostridioides difficile | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Clostridium perfringens | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Eggerthella lenta | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Fusobacterium nucleatum | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Prevotella melaninogenica | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Propionibacterium acnes | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Veillonella parvula | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Fungi (%) | 22 | 20 (90.9) | 0 (0.0) | 2 (9.1) | 0 (0.0) | 19 (86.4) | 3 (13.6) | 0 (0.0) | 0 (0.0) |
| Candida albicans | 5 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 |
| Candida auris | 2 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 0 |
| Candida dubliniensis | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Candida glabrata | 3 | 3 | 0 | 0 | 0 | 2 | 1 | 0 | 0 |
| Candida krusei | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Candida orthopsilosis | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Candida parapsilosis | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| Candida tropicalis | 4 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 |
| Cryptococcus neoformans | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Total (%) | 205 | 200 (97.6) | 1 (0.5) | 2 (1.0) | 2 (1.0) | 199 (97.1) | 5 (2.4) | 0 (0.0) | 1 (0.5) |
Abbreviations: ID = identification; MisID = misidentification.