Table 3.
Discordance | Conventional culturesa | Unyvero* |
---|---|---|
Unyvero failed to detect a pathogen | ||
1 | Klebsiella pneumoniae | |
Escherichia coli | Escherichia coli | |
2 | Klebsiella pneumoniae | Stenotrophomonas maltophilia |
Stenotrophomonas maltophilia | ||
3b | Enterobacter aerogenes | Klebsiella oxytoca |
Proteus mirabilis | ||
4 | Staphylococcus aureus | |
Acinetobacter baumannii | Acinetobacter baumannii | |
5 | Klebsiella pneumoniae | |
Escherichia coli | Escherichia coli | |
Morganella morganii | Morganella morganii | |
6 | Enterobacter aerogenes | |
Klebsiella pneumoniae | Klebsiella pneumoniae | |
7 | Enterobacter aerogenes | – |
8 | Klebsiella oxytoca | – |
9 | Klebsiella pneumoniae | – |
10 | Staphylococcus aureus | – |
11 | Klebsiella variicola | – |
Conventional cultures detected no specific pathogen | ||
12 | Oropharyngeal flora | – |
13 | Oropharyngeal flora | – |
14 | Oropharyngeal flora | – |
Pathogen not in the Unyvero panel | ||
15 | Kluyvera ascorbata | Enterobacter cloacae |
16 | Raoultella ornithinolytica | |
Proteus mirabilis | Proteus spp. | |
17 | Achromobacter xylosoxidans | |
Stenotrophomonas maltophilia | Stenotrophomonas maltophilia | |
18 | Enterococcus faecium | – |
19 | Enterococcus faecium | |
Stenotrophomonas maltophilia | Stenotrophomonas maltophilia | |
Unyvero overdetected pathogens | ||
20 | Pseudomonas aeruginosa | Pseudomonas aeruginosa |
Serratia marcescens | Serratia marcescens | |
Klebsiella pneumoniae | Klebsiella pneumoniae | |
Escherichia coli | ||
21 | Enterobacter cloacae | Enterobacter cloacae |
Stenotrophomonas maltophilia | ||
22 | Pseudomonas aeruginosa | Pseudomonas aeruginosa |
Stenotrophomonas maltophilia | ||
23 | – | Staphylococcus aureus |
24 | Pseudomonas aeruginosa | Pseudomonas aeruginosa |
Stenotrophomonas maltophilia | ||
25 | Pseudomonas aeruginosa | Pseudomonas aeruginosa |
Stenotrophomonas maltophilia |
aFalse results (positive or negative) are in bold type
bThis episode had false-negative and false-positive findings