Volume 19, Number 8—August 2013
Dispatch
Macrolide Resistance of Mycoplasma pneumoniae, South Korea, 2000–2011
Table 2
Antimicrobial drug | Strains with 23S rRNA mutation, n = 69 |
Strains without 23S rRNA mutation, n = 54 |
|||||
---|---|---|---|---|---|---|---|
Range | MIC50 | MIC90 | Range | MIC50 | MIC90 | ||
Tetracyclines | |||||||
Tetracycline | 0.016 to 0.5 | 0.06 | 0.25 | 0.016 to 0.5 | 0.06 | 0.25 | |
Doxycycline |
0.002 to 0.125 |
0.06 |
0.06 |
0.004 to 0.125 |
0.03 |
0.06 |
|
Fluoroquinolones | |||||||
Levofloxacin | 0.016 to 0.5 | 0.25 | 0.25 | 0.016 to 0.5 | 0.25 | 0.5 | |
Ciprofloxacin | 0.125 to 1.0 | 0.5 | 1.0 | 0.06 to 1.0 | 0.5 | 1.0 | |
Moxifloxacin | 0.008 to 0.06 | 0.016 | 0.06 | 0.004 to 0.06 | 0.016 | 0.06 |
*MIC50 and MIC90 are minimum inhibitory concentrations at which 50% and 90% of the isolates, respectively, were inhibited by the drug.
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