TABLE 2.
Bacterial isolates in 232 positive blood cultures and results from universal and specific real-time PCR
| Pathogen | Result of blood culture (no. [%])a |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| UNI | PSEU | PSEUAE | ECOLI | STAPH | STAU | ENTE | STREPT | STREPN | |
| Gram-negative pathogens | |||||||||
| Acinetobacter lwoffii/haemolyticus | 1 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Bacteroides fragilis | 2 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Citrobacter koseri | 1 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Enterobacter cloacae | 3 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Escherichia coli | 43 (100) | 0 | 0 | 43 | NA | NA | NA | NA | NA |
| Gram-negative rod | 2 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Klebsiella oxytoca | 5 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Klebsiella pneumoniae | 7 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Moraxella catarrhalis | 1 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Morganella morganii | 1 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Neisseria meningitidis | 1 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Prevotella buccae | 1 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Proteus mirabilis | 2 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Pseudomonas aeruginosa | 10 (100) | 10 | 10 | 0 | NA | NA | NA | NA | NA |
| Pseudomonas oryzihabitans | 1 (100) | 1 | 0 | 0 | NA | NA | NA | NA | NA |
| Serratia marcescens | 4 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Gram-positive pathogens | |||||||||
| Aerococcus viridans | 1 (100) | NA | NA | NA | 0 | 0 | 1 | 0 | 0 |
| Coagulase-negative Staphylococcus spp. | 85 (100) | NA | NA | NA | 85 | 9 | 0 | 0 | 0 |
| Corynebacterium spp. | 2 (100) | NA | NA | NA | 0 | 0 | 0 | 0 | 0 |
| Enterococcus avium | 1 (100) | NA | NA | NA | 0 | 0 | 1 | 0 | 0 |
| Enterococcus faecalis | 3 (100) | NA | NA | NA | 0 | 0 | 3 | 0 | 0 |
| Enterococcus faecium | 4 (100) | NA | NA | NA | 0 | 0 | 4 | 0 | 0 |
| Lactobacillus spp. | 1 (100) | NA | NA | NA | 0 | 0 | 0 | 0 | 0 |
| Propionibacterium acnes | 1 (100) | NA | NA | NA | 0 | 0 | 0 | 0 | 0 |
| Staphylococcus aureus | 31 (100) | NA | NA | NA | 31 | 31 | 0 | 0 | 0 |
| Streptococcus agalactiae | 1 (100) | NA | NA | NA | 0 | 0 | 0 | 1 | 0 |
| Streptococcus group A and/or D | 2 (100) | NA | NA | NA | 0 | 0 | 0 | 2 | 0 |
| Streptococcus milleri | 3 (100) | NA | NA | NA | 0 | 0 | 0 | 3 | 0 |
| Streptococcus oralis | 1 (100) | NA | NA | NA | 0 | 0 | 0 | 1 | 0 |
| Streptococcus pneumoniae | 6 (100) | NA | NA | NA | 0 | 0 | 0 | 6 | 6 |
| Streptococcus pyogenes | 1 (100) | NA | NA | NA | 0 | 0 | 0 | 1 | 0 |
| Streptococcus sanguis | 1 (100) | NA | NA | NA | 0 | 0 | 0 | 1 | 0 |
| Mixed | |||||||||
| Alcaligenes faecalis + Propionibacterium spp. | 1 (100) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Klebsiella oxytoca + Serratia marcescens | 1 (100) | 0 | 0 | 0 | NA | NA | NA | NA | NA |
| Streptococcus salivarius + Streptococcus viridans | 1 (100) | NA | NA | NA | 0 | 0 | 0 | 1 | 0 |
| Totals | |||||||||
| Concordant | 11 | 10 | 43 | 116 | 31 | 8 | 16 | 6 | |
| Discordant | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 0 | |
a
UNI, universal probe; PSEU, Pseudomonas spp.; PSEUAE, P. aeruginosa; ECOLI, E. coli; STAPH, Staphylococcus spp.; STAU, S. aureus; ENTE, Enterococcus spp.; STREPT, Streptococcus spp.; STREPN, S. pneumoniae; NA, not applicable.