TABLE 2 .
Species identified from single-isolate or mixed cultures and Gram stain results for culture-positive bottles obtained during the preclinical trial of the IFS
| Gram stain resulta |
Microorganism(s)b | No. of isolates |
|---|---|---|
| GNR | Citrobacter freundii | 1 |
| Yeast | Candida tropicalis | 1 |
| GNR | Enterobacter cloacae | 3 |
| GNR | Escherichia coli | 10 |
| GPC | Enterococcus faecium | 7 |
| GNR | Klebsiella pneumoniae | 8 |
| GNR | Pseudomonas aeruginosa | 4 |
| GPC | Staphylococcus aureus | 18 |
| GPC | Staphylococcus epidermidis | 14 |
| GPC | Staphylococcus hominis | 3 |
| GPC | Staphylococcus lugdunensis | 2 |
| GPC | Staphylococcus capitis | 1 |
| GNR | Stenotrophomonas maltophilia | 3 |
| GPC | Streptococcus mitis/S. oralis | 2 |
| GPR and GNR | Acinetobacter baumannii Cpx/E. cloacae | 1 |
| GNR | C. freundii/Klebsiella oxytoca | 1 |
| GPC | Enterococcus faecalis/S. epidermidis | 1 |
| GPC | E. faecium/A. xylosoxidans | 1 |
| GPC and GNR | E. faecium/K. pneumoniae | 1 |
| GNR and GPC |
K. pneumoniae/E. coli/E. faecium/ Citrobacter youngii |
1 |
| GPC and GNR | K. pneumoniae/E. faecium | 1 |
| GNR | K. pneumoniae/P. aeruginosa | 1 |
| GPC and GNR | K. pneumoniae/S. agalactiae | 1 |
| GPC and GNR | K. pneumoniae/S. agalactiae/S. aureus | 1 |
| GPC and GNR | K. pneumoniae/S. aureus | 1 |
| GPC and GNR | S. maltophilia/E. faecium | 1 |
| Mixed GNR | S. maltophilia/Pseudomonas putida | 1 |
| GPC | Abiotrophia defectiva | 2 |
| GNR | Achromobacter xylosoxidans | 6 |
| GNR | Burkholderia cepacia complex | 2 |
| GPR | Bacillus spp., not Bacillus anthracis | 2 |
| GNR | Citrobacter amalonaticus | 1 |
| Yeast | Cryptococcus neoformans | 1 |
| GPR | Lactobacillus sp. | 1 |
| GPC | Micrococcus luteus | 2 |
| GPR | Mycobacterium mucogenicum group | 1 |
| GPC | Staphylococcus auricularis | 1 |
| GPC | Staphylococcus haemolyticus | 1 |
| GPC | Streptococcus salivarius | 1 |
| GPR and GNR | No ID by Vitek-MS | 2 |
a
GNR, gram-negative rods; GPC, gram-positive cocci; GPR, gram-positive rods.
b
Species identifications were determined via MALDI-TOF MS. Those species represented in the IFS database developed for the study are highlighted in bold.