TABLE 5.
Comparison of BACTEC MYCO/F Lytic bottle to BACTEC Anaerobic Lytic/10 bottle
| Potential pathogen(s) or contaminant(s) | No. of isolates with the following result:
|
P valueb | ||||
|---|---|---|---|---|---|---|
| Positive with BACTEC Anaerobic Lytic/10 bottle only | Positive with BACTEC MYCO/F Lytic bottle only | Positive with both bottles | Positive with neither bottlea | Total | ||
| Pathogens | ||||||
| All microorganisms | 125 | 103 | 173 | 177 | 578 | 0.1643 |
| Staphylococcus aureus | 7 | 6 | 40 | 48 | 101 | 1.0 |
| Staphylococcus spp., coagulase negative | 30 | 28 | 35 | 46 | 139 | 0.8957 |
| Streptococcus pneumoniae | 9 | 0 | 7 | 3 | 19 | 0.0039 |
| Viridans group streptococci | 16 | 4 | 11 | 8 | 39 | 0.0018 |
| Enterococcus spp. | 11 | 1 | 5 | 8 | 25 | 0.0063 |
| Enterobacteriaceae family | 18 | 15 | 62 | 30 | 125 | 0.7283 |
| Pseudomonas spp. | 0 | 13 | 1 | 5 | 19 | 0.0002 |
| Obligately anaerobic bacteria | 24 | 3 | 0 | 0 | 27 | 0.0001 |
| Other bacteria | 8 | 16 | 11 | 16 | 51 | 0.1516 |
| Mycobacterium tuberculosis complex | 0 | 2 | 0 | 1 | 3 | 0.5000 |
| Candida spp. | 2 | 13 | 1 | 10 | 26 | 0.0074 |
| Cryptococcus neoformans | 0 | 2 | 0 | 0 | 2 | 0.5000 |
| Histoplasma capsulatum | 0 | 0 | 0 | 2 | 2 | 1.0 |
| Contaminants | ||||||
| All microorganisms | 8 | 7 | 1 | 142 | 158 | 1.0 |
| Bacillus spp. | 2 | 2 | 0 | 20 | 24 | 1.0 |
| Corynebacterium spp., not C. jeikeim | 1 | 5 | 0 | 19 | 25 | 0.2188 |
| Propionibacterium spp. | 3 | 0 | 1 | 2 | 6 | 0.2500 |
| Staphylococcus spp., coagulase negative | 2 | 0 | 0 | 78 | 80 | 0.5000 |
| Other bacteria | 0 | 0 | 0 | 17 | 17 | 1.0 |
a
Refers to the number of isolates detected with only the Isolator system or the BACTEC Plus Aerobic/F bottle.
b
Refer to Materials and Methods section for calculation of P values.