TABLE 3.
Antimicrobial MIC and susceptibility of Elizabethkingia anophelis strains in Changhua Christian Hospitala
|
E. anophelis (strains of dominant lineage, n = 226) |
E. anophelis (other strains, n = 62) |
|||||
|---|---|---|---|---|---|---|
| Characteristics | MIC50 (μg/mL) | MIC90 (μg/mL) | S, n (%) | MIC50 (μg/mL) | MIC90 (μg/mL) | S, n (%) |
| Amikacin | ≥ 64 | ≥ 64 | 0 (0) | ≥ 64 | ≥ 64 | 3 (4.8) |
| Cefepime | ≥ 64 | ≥ 64 | 0 (0) | ≥ 64 | ≥ 64 | 13 (19.7) |
| Cefotaxime | ≥ 64 | ≥ 64 | 0 (0) | ≥ 64 | ≥ 64 | 0 (0) |
| Ceftazidime | ≥ 32 | ≥ 32 | 0 (0) | ≥ 32 | ≥ 32 | 0 (0) |
| Ciprofloxacin | ≥ 4 | ≥ 4 | 0 (0) | 2 | ≥ 4 | 45 (72.6)b |
| Colistin | ≥ 16 | ≥ 16 | 0 (0) | ≥ 16 | ≥ 16 | 0 (0) |
| Flomoxef | ≥ 64 | ≥ 64 | 0 (0) | ≥ 64 | ≥ 64 | 0 (0) |
| Gentamicin | ≥ 16 | ≥ 16 | 1 (0.4) | ≥ 16 | ≥ 16 | 1 (1.6) |
| Imipenem | ≥ 16 | ≥ 16 | 0 (0) | ≥ 16 | ≥ 16 | 0 (0) |
| Piperacillin-tazobactam | ≥ 128/4 | ≥ 128/4 | 0 (0) | ≥ 128/4 | ≥ 128/4 | 0 (0) |
| Trimethoprim-sulfamethoxazole | ≤ 2/38 | ≥ 4/76 | 133 (58.8) | ≤ 2/38 | ≥ 4/76 | 36 (58.1) |
a
S, susceptible; MIC50, MIC at which 50% of the isolates tested are inhibited; MIC90, MIC at which 90% of the isolates tested are inhibited; n (%), the number of susceptible isolates and susceptible rates.
b
P <0.05; comparison for the susceptible rates between dominant E. anophelis strains to other E. anophelis strains