TABLE 3.
Monomicrobial positive blood cultures: gram-negative organismsa
| Conventional ID | No. of specimens | Probe matrix ID |
|---|---|---|
| Escherichia coli | 39 | E. coli |
| Pseudomonas aeruginosa | 10 | P. aeruginosa |
| Citrobacter freundii | 1 | Enterobacteriaceae, not E. coli |
| Enterobacter aerogenes | 3 | Enterobacteriaceae, not E. coli |
| Enterobacter cloacae | 2 | Enterobacteriaceae, not E. coli |
| Flexispira sp | 2 | Enterobacteriaceae, not E. coli |
| Klebsiella oxytoca | 1 | Enterobacteriaceae, not E. coli |
| Klebsiella pneumoniae | 9 | Enterobacteriaceae, not E. coli |
| Salmonella typhi | 1 | Enterobacteriaceae, not E. coli |
| Serratia marcescens | 2 | Enterobacteriaceae, not E. coli |
| Achromobacter xylosoxidans | 1 | Gram-negative, not Enterobacteriaceae, Campylobacter, or P. aeruginosa |
| Acinetobacter lwoffii | 2 | Gram-negative, not Enterobacteriaceae, Campylobacter, or P. aeruginosa |
| Agrobacterium radiobacter | 1 | Gram-negative, not Enterobacteriaceae, Campylobacter, or P. aeruginosa |
| Bacteroides fragilis | 4 | Gram-negative, not Enterobacteriaceae, Campylobacter, or P. aeruginosa |
| Pasteurella multocida | 1 | Gram-negative, not Enterobacteriaceae, Campylobacter, or P. aeruginosa |
| Pseudomonas putida | 1 | Gram-negative, not Enterobacteriaceae, Campylobacter, or P. aeruginosa |
| Stenotrophomonas maltophilia | 4 | Gram-negative, not Enterobacteriaceae, Campylobacter, or P. aeruginosa |
a
There were no discrepancies between conventional and probe matrix IDs for gram-negative organisms.