TABLE 2.
Characteristics of the Random Sample of Blood Culture Episodes
| Variable | No. (%) of episodes (n = 664) |
|---|---|
| Facility, ICU | |
| A | |
| MICU | 86 (13) |
| SICU | 107 (16) |
| B | |
| MICU | 77 (12) |
| SICU | 79 (12) |
| C | |
| MICU | 100 (15) |
| SICU | 59 (9) |
| D | |
| MICU | 77 (12) |
| SICU | 79 (12) |
| Unique species | |
| 1 | 529 (80) |
| 2 | 106 (16) |
| ≥3 | 29 (4) |
| Organism characteristics | |
| Gram positive only | 421 (63) |
| Gram negative only | 116 (17) |
| Fungal only | 48 (7) |
| Other (mixed infection) | 79 (12) |
| Episodes with ≥1 of following species recovereda | |
| Common skin commensal species | 347 (52) |
| Enterococcus species | 98 (15) |
| Enterobacteriaciae | 90 (14) |
| Candida species | 77 (12) |
| Staphylococcus aureus | 62 (9) |
| Pseudomonas aeruginosa | 46 (7) |
NOTE. ICU, intensive care unit; MICU, medical intensive care unit; SICU, surgical intensive care unit.
a
Episodes can have more than 1 species if polymicrobial; therefore, percentages may total greater than 100%.