Table 2.
Specimens with polymicrobial identifications generated by the Biotyper MALDI-TOF system
| Mixed culture identified by routine methods | Biotyper |
Vitek MS IVD (confidence %) | |
|---|---|---|---|
| Top match (score) | Other species in top 10 matches list with scores of >1.7 (score) | ||
| Escherichia coli + Klebsiella pneumoniae | Escherichia coli (2.33) | Klebsiella pneumoniae (2.07) | Escherichia coli (99.9) |
| Escherichia coli + Klebsiella pneumoniae | Escherichia coli (2.32) | Klebsiella pneumoniae (2.20) | Escherichia coli (99.9) |
| Escherichia coli + Klebsiella pneumoniae | Klebsiella pneumoniae (2.27) | Escherichia coli (2.13) | Klebsiella pneumoniae (99.9) |
| Klebsiella pneumoniae + Enterococcus faecalis | Klebsiella pneumoniae (2.23) | Enterococcus faecalis (1.91) | Klebsiella pneumoniae (99.9) |
| Acinetobacter baumannii + Staphylococcus epidermidis | Acinetobacter baumannii (1.97) | Staphylococcus epidermidis (1.76) | Acinetobacter baumannii complex (99.9) |