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MICs for fluoroquinolones tested for isolates with a ciprofloxacin MIC of ≥4 μg/ml
| Antimicrobial agent | MIC90 (μg/ml) | No. of isolates inhibited by an MIC (μg/ml)a of:
|
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.015 | 0.03 | 0.06 | 0.12 | 0.25 | 0.5 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | ||
| Ciprofloxacin | 64 | 14 | 11 | 10 | 19 | 13 | 1 | ||||||||
| Levofloxacin | 16 | 13 | 8 | 17 | 25 | 4 | 1 | ||||||||
| Gatifloxacin | 8 | 13 | 5 | 10 | 26 | 12 | 1 | 1 | |||||||
| Moxifloxacin | 4 | 2 | 11 | 5 | 15 | 27 | 7 | 1 | |||||||
| Gemifloxacin | 1 | 15 | 11 | 20 | 14 | 8 | |||||||||
NCCLS cutoffs for intermediate susceptibility are indicated in boldface.
