TABLE 2.
Susceptibilities of PSSP and PNSSP to eight antimicrobial agents
| Antimicrobial agent | MIC (μg/ml)
|
% Resistant isolates
|
||||||
|---|---|---|---|---|---|---|---|---|
| Range
|
50%
|
90%
|
||||||
| PSSP | PNSSP | PSSP | PNSSP | PSSP | PNSSP | PSSP | PNSSP | |
| Cefotaxime | <0.03–0.5 | <0.03–16 | <0.03 | 1 | 0.06 | 8 | 0.0 | 63.1 |
| Ceftriaxone | <0.03–0.5 | <0.03–32 | <0.03 | 1 | 0.25 | 8 | 0.0 | 63.1 |
| Cefepime | <0.03–1 | 0.06–8 | <0.03 | 1 | 0.25 | 4 | 5.1 | 66.4 |
| Imipenem | <0.03–0.25 | <0.03–4 | <0.03 | 0.25 | 0.06 | 1 | 0.0 | 64.8 |
| Meropenem | <0.03–0.25 | <0.03–4 | <0.03 | 0.25 | 0.06 | 1 | 0.0 | 63.1 |
| Erythromycin | <0.03–>256 | 2–>256 | 8 | 64 | >256 | >256 | 59.0 | 96.7 |
| TMP-SMZa | <0.03–>32 | 0.5–>32 | 4 | 16 | >32 | >32 | 84.6 | 100.0 |
| Vancomycin | <0.03–0.5 | <0.03–1.0 | 0.25 | 0.25 | 0.5 | 0.5 | 0.0 | 0.0 |
a
Ratio of concentrations for trimethoprim and sulfamethoxazole, 1:19.