TABLE 1.
Strains | No. (%) of isolates | MIC (μg/ml)
|
|||||||
---|---|---|---|---|---|---|---|---|---|
Erythromycin
|
Clindamycin
|
Telithromycin
|
ABT-773
|
||||||
MIC90 | Range | MIC90 | Range | MIC90 | Range | MIC90 | Range | ||
erm(B)+ | 100 (46.5) | ≥64 | 1–≥64 | >16 | 0.12–>16 | 0.06 | ≤0.02–1 | 0.03 | ≤0.002–0.5 |
mef(A)+ | 105 (48.8) | 4 | 1–≥64 | 0.12 | 0.12–0.5 | 0.06 | ≤0.02–1 | 0.03 | ≤0.002–0.5 |
erm(B)−mef(A)− | 4 (1.9) | 1–32 | 0.12 | ≤0.002–0.004 | ≤0.002 | ||||
erm(B)+mef(A)+ | 6 (2.8) | 16–≥64 | 0.12–>16 | ≤0.002–0.06 | ≤0.002–0.03 | ||||
Susceptible controlsa | 24 (10) | 0.25 | 0.06–0.25 | 0.12 | <0.12 | 0.008 | ≤0.002–0.008 | 0.004 | ≤0.002–0.008 |
Included erm(B)-positive, erm(B)-negative, and mef(A)-negative strains.