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. 2003 Dec;47(12):3815–3824. doi: 10.1128/AAC.47.12.3815-3824.2003

TABLE 2.

Quinolone agar dilution MICs for 26 quinolone-resistant strainsa

Quinolone MICb (μg/ml)
Range 50 90
DK507K 0.25-1.0 0.25 0.5
Sitafloxacin 0.25-1.0 0.5 0.5
Ciprofloxacin 4.0->32.0 16.0 >32.0
Levofloxacin 8.0-32.0 16.0 32.0
Gatifloxacin 0.5-8.0 4.0 8.0
Moxifloxacin 0.25-4.0 2.0 4.0
a

Levofloxacin MICs, ≥4.0 μg/ml.

b

50, MIC50; 90, MIC90.