Table 3. Organisms isolated from blood in mucosal barrier injury–associated and non-mucosal barrier injury–associated, laboratory-confirmed bloodstream infections.
| Organism isolated | All CLABSI n=55 | MBI-LCBI* n=24 | Non-MBI-LCBI n=31 | |
|---|---|---|---|---|
| no. (%) | rank | no. (%) | no. (%) | |
| Klebsiella pneumoniae | 8 (14.5) | 1, tie | 7 (29) | 1 (3) |
| Escherichia coli | 8(14.5) | 1, tie | 6 (25) | 2 (6) |
| Candida species | 6(11) | 2, tie | 3 (12.5) | 3 (10) |
| Staphylococcus epidermidis | 6(11) | 2, tie | 0 | 6 (19) |
| Enterobacter cloacae | 5(9) | 3 | 2 (8) | 3 (3) |
| Acinetobacter baumannii | 4(7) | 4, tie | 0 | 4 (13) |
| Staphylococcus aureus | 4(7) | 4, tie | 0 | 4 (13) |
| Enterococcus faecium | 3(5) | 5, tie | 3 (12.5) | 0 |
| Pseudomonas aeruginosa | 3(5) | 5, tie | 0 | 3 (10) |
| Enterococcus faecalis | 1 (2) | 6, tie | 1 (4) | 0 |
| Enterococcus galllinarum | 1 (2) | 6, tie | 1 (4) | 0 |
| Klebsiella oxytoca | 1 (2) | 6, tie | 1 (4) | 0 |
| Streptococcus pneumoniae | 1 (2) | 6, tie | 0 | 1 (3) |
| Bacillus sp | 1 (2) | 6, tie | 0 | 1 (3) |
| Staphylococcus sp | 1 (2) | 6, tie | 0 | 1 (3) |
| Enterobacter aerogenes | 1 (2) | 6, tie | 0 | 1 (3) |
| Citrobacter freundii | 1 (2) | 6, tie | 0 | 1 (3) |
CLABSI= central line–associated bloodstream infection, MBI= mucosal barrier injury, LCBI=laboratory-confirmed bloodstream infection.
*
MBI-LCBI events met the criteria of the CDC's National Healthcare Safety Network.