TABLE 7.
Bloodstream infections detected by the Isolator system and BACTEC Plus Aerobic/F bottle
Potential pathogen(s) | No. of bloodstream infections detected with:
|
P valuea | ||
---|---|---|---|---|
Isolator system only | BACTEC Plus Aerobic/F bottle only | Both | ||
All microorganisms | 54 | 88 | 145 | 0.005 |
Staphylococcus aureus | 5 | 2 | 30 | 0.453 |
Staphylococcus spp., coagulase negative | 9 | 34 | 35 | 0.0002 |
Streptococcus pneumoniae | 0 | 3 | 8 | 0.25 |
Viridans group streptococci | 1 | 10 | 5 | 0.012 |
Enterococcus spp. | 7 | 3 | 3 | 0.344 |
Enterobacteriaceae family | 17 | 16 | 40 | 1.0 |
Pseudomonas spp. | 1 | 3 | 10 | 0.625 |
Obligately anaerobic bacteria | 0 | 1 | 1 | 1.0 |
Other bacteria | 6 | 12 | 8 | 0.24 |
Mycobacterium tuberculosis complex | 1 | 0 | 0 | 1.0 |
Candida spp. | 4 | 4 | 5 | 1.0 |
Cryptococcus neoformans | 1 | 0 | 0 | 1.0 |
Histoplasma capsulatum | 2 | 0 | 0 | 0.5 |
Refer to Materials and Methods section for calculation of P values.