Table 2.
Antimicrobial | Test range | Distribution of MICs (μg/mL) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||
≤0.12 | ≤0.25 | ≤0.5 | ≤1 | ≤2 | 4≤ | 8≤ | 16≤ | 32≤ | 64≤ | 128≤ | 256≤ | ||
Amoxicillin/clavulanic acid 2:1* | 2–32 | 2 | 15 | 37 | 4 | ||||||||
Cefepime | 0.25–16 | 4 | 19 | 20 | 6 | 5 | 3 | |1 | |||||
Cefoxitin* | 1–32 | 2 | 1 | 10 | 45 | ||||||||
Trimethoprim/sulfamethoxazole | 0.25–4 | 22 | 26 | 2 | 4 | |4 | |||||||
Chloramphenicol* | 2–64 | 1 | 2 | 1 | 5 | 16 | 30 | 3 | |||||
Ampicillin* | 2–64 | 1 | 10 | 25 | 12 | 7 | 3 | ||||||
Ciprofloxacin | 0.12–16 | 43 | 12 | 2 | |1 | ||||||||
Streptomycin* | 16–128 | 28 | 18 | 7 | 4 | 1 | |||||||
Gentamycin | 1–64 | 49 | 1 | 5 | 2 | | | 1 | ||||||
Ceftazidime | 1–16 | 5 | 7 | 31 | 13 | 2 | | | ||||||
Tetracycline | 2–128 | 49 | 5 | 1 | |1 | 1 | 1 | ||||||
Sulfisoxazole* | 16–256 | 38 | 12 | 8 | |||||||||
Nalidixic acid* | 2–128 | 11 | 31 | 13 | 2 | 1 | |||||||
Ceftiofur* | 0.5–8 | 28 | 30 | ||||||||||
Meropenem | 0.25-4 | 41 | 15 | 1 | 1 | | | |||||||
Colistin | 2–16 | 56 | |1 | 1 |
Vertical lines in each row indicate the breakpoint of each antimicrobial.
*Indicates no breakpoint in the CLSI guidelines.