TABLE 3.
Susceptibilities to fluoroquinolones of pneumococcal isolates from 12 Asian countriesa
| Country | Levofloxacin
|
Moxifloxacin
|
Gatifloxacin
|
Ciprofloxacin
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MIC (mg/liter)
|
% I | % R | MIC (mg/liter)
|
% I | % R | MIC (mg/liter)
|
% I | % R | MIC (mg/liter)
|
% R | |||||
| 90% | Range | 90% | Range | 90% | Range | 90% | Range | ||||||||
| Korea | 2 | 0.25-2 | 0.0 | 0.0 | 0.25 | 0.06-0.5 | 0.0 | 0.0 | 0.5 | 0.12-1 | 0.0 | 0.0 | 2 | 0.25-4 | 6.5 |
| China | 1 | 0.12-2 | 0.0 | 0.0 | 0.25 | 0.004-1 | 0.0 | 0.0 | 0.5 | <0.03-1 | 0.0 | 0.0 | 2 | 0.12->32 | 3.6 |
| Thailand | 1 | 0.5-2 | 0.0 | 0.0 | 0.25 | 0.03-0.5 | 0.0 | 0.0 | 0.5 | <0.03-1 | 0.0 | 0.0 | 2 | 0.5-8 | 3.8 |
| Taiwan | 1 | 0.5-2 | 0.0 | 1.8 | 0.25 | 0.03-0.5 | 1.8 | 0.0 | 0.5 | 0.03-1 | 1.8 | 1.8 | 2 | 0.5-8 | 7 |
| India | 1 | 0.06-8 | 0.0 | 1.3 | 0.25 | 0.015-2 | 1.3 | 0.0 | 0.5 | <0.03-8 | 0.0 | 1.4 | 2 | 0.12-16 | 4 |
| Sri Lanka | 1 | 0.5-2 | 0.0 | 0.0 | 0.25 | 0.06-0.5 | 0.0 | 0.0 | 0.5 | 0.12-1 | 0.0 | 0.0 | 2 | 0.5-4 | 9.5 |
| Singapore | 1 | 0.12-4 | 2.9 | 0.0 | 0.12 | 0.015-0.25 | 0.0 | 0.0 | 0.5 | 0.06-1 | 0.0 | 0.0 | 2 | 0.5-16 | 5.9 |
| Malaysia | 1 | 0.015-2 | 0.0 | 0.0 | 0.25 | <0.002-1 | 0.0 | 0.0 | 0.5 | 0.06-1 | 0.0 | 0.0 | 2 | <0.015-4 | 4.6 |
| Vietnam | 1 | 0.25-1 | 0.0 | 0.0 | 0.25 | 0.06-0.25 | 0.0 | 0.0 | 0.5 | 0.06-1 | 0.0 | 0.0 | 2 | 0.12->4 | 4.8 |
| Philippines | 1 | 0.5-2 | 0.0 | 0.0 | 0.25 | 0.03-0.5 | 0.0 | 0.0 | 0.5 | 0.06-1 | 0.0 | 0.0 | 2 | 0.5-4 | 9.1 |
| Saudi Arabia | 1 | <0.004-2 | 0.0 | 0.0 | 0.25 | <0.002-0.25 | 0.0 | 0.0 | 0.5 | 0.015-1 | 0.0 | 0.0 | 2 | <0.015-4 | 2.6 |
| Hong Kong | 2 | 0.015-32 | 0.0 | 8.0 | 0.5 | 0.015-4 | 6.3 | 1.8 | 1 | 0.03-8 | 0.9 | 8.3 | 4 | 0.015-32 | 11.8 |
| Total | 1 | <0.004-32 | 0.1 | 1.6 | 0.25 | <0.002-4 | 1.3 | 0.3 | 0.5 | 0.03-8 | 0.3 | 1.6 | 2 | 0.008->32 | 6 |
MIC breakpoints for individual fluoroquinolones are as follows: for levofloxacin, I = 4 mg/liter and R = 8 mg/liter; for moxifloxacin, I = 2 mg/liter and R = 4 mg/liter; for gatifloxacin, I = 2 mg/liter and R ≥ 4 mg/liter; and for ciprofloxacin R ≥ 4 mg/liter.