TABLE 5.
Evaluation of Verigene BC-GN and MALDI Sepsityper for polymicrobial and discordant Gram stain samples
| Blood culture | Gram staina | Definitive Identification | Verigene BC-GN result | MALDI Sepsityper result |
|---|---|---|---|---|
| BC7 | GNR | Lysinibacillus fusiformis | NIb | Lysinibacillus fusiformis |
| BC43 | GNR | Acinetobacter lwoffii | Acinetobacter spp. | NDc |
| Staphylococcus epidermidis | NI | Staphylococcus epidermidis | ||
| BC65 | GNR | Neisseria flavescens | NI | Neisseria flavescens |
| Haemophilus paraphrohaemolyticus | NI | ND | ||
| Streptococcus viridans group | NI | ND | ||
| BC106 | GNR | Paenibacillus thiaminolyticus | NI | Paenibacillus thiaminolyticus |
| BC109 | GNR | Staphylococcus hominis | NI | Staphylococcus hominis |
| Veillonella spp. | NI | ND | ||
| BC133 | GNR | Streptococcus agalactiae | NI | ND |
| Proteus mirabilis | Proteus spp. | Proteus mirabilis | ||
| Providencia stuartii | NI | ND | ||
| BC144 | GNR | Clostridium clostridioforme | NI | NIPd |
| BC145 | GNR | Clostridium bolteae | NI | Clostridium bolteae |
| BC176 | GNR | Klebsiella pneumoniae | Klebsiella oxytoca | Enterobacter aerogenes |
| Kluyvera spp. | NI | ND | ||
| Enterococcus faecium | NI | ND | ||
| BC196 | GNR | Klebsiella pneumoniae | Klebsiella pneumoniae | Klebsiella pneumoniae |
| Escherichia coli | Escherichia coli | ND |
a
Blood culture Gram stain result; GNR, Gram-negative rods.
b
NI, not included in the assay.
c
ND, not detected.
d
NIP, no identification possible (score of <1.6).