TABLE 4.
Recommended QC MIC ranges for S. aureus, E. coli, and S. pneumoniae using pH-adjusted brucella broth without supplements
| Antimicrobial agent | MIC range (μg/ml) at indicated incubation time (h)
|
|||||
|---|---|---|---|---|---|---|
|
S. aureus ATCC 29213
|
E. coli ATCC 25922
|
S. pneumoniae ATCC 49619
|
||||
| 24 | 48 | 24 | 48 | 24 | 48 | |
| Gentamicin | NRa | NR | 1-8 | 1-8 | NR | NR |
| Chloramphenicol | 4-16 | 4-16 | 2-8 | 4-16 | 1-8 | 2-8 |
| Ciprofloxacin | 0.25-1 | 0.25-1 | NR | NR | 0.25-1 | 0.25-2 |
| Doxycycline | 0.12-0.5 | 0.12-0.5 | 0.5-2 | 1-4 | 0.03-0.12 | 0.03-0.25 |
| Levofloxacin | 0.06-0.5 | 0.12-0.5 | NR | NR | 0.25-1 | 0.25-2 |
| Rifampin | NR | NR | 4-16 | 4-16 | 0.008-0.03 | 0.008-0.06 |
| Azithromycin | 2-8 | 2-16 | NR | NR | 0.25-1 | 0.25-1 |
| Tetracycline | 0.12-1 | 0.25-1 | 0.5-2 | 0.5-4 | 0.03-0.25 | 0.06-0.5 |
| Streptomycin | 8-64 | 8-64 | 4-32 | 4-32 | 16-64 | 16-128 |
| Trimeth/Sulfab | NR | NR | NR | NR | 0.5-2 | 0.5-2 |
a
NR, no range recommended due to extreme variability or off-scale mode.
b
Trimeth/Sulfa, trimethoprim-sulfamethoxazole.