TABLE 5.
Intralaboratory reproducibility of broth microdilution (BMD), Vitek-2, and disk diffusion (DD) for S. pseudintermediusa
| Drug | Percentage MIC agreement (%) for: |
Avg SD (mm) for DD | |||||
|---|---|---|---|---|---|---|---|
| BMD (log2 dilutions) |
Vitek-2 (log2 dilutions) |
||||||
| ± 1 | ± 2 | ± 3 | ± 1 | ± 2 | ± 3 | ||
| OXA | 98.42 | 0.79 | 0.79 | 84.92 | 3.97 | 11.11 | 1.15 |
| AMC | 98.41 | 0 | 1.59 | 93.65 | 3.97 | 2.38 | 2.47 |
| CEF | 96.83 | 0.79 | 2.38 | 92.86 | 1.59 | 5.55 | 2.83 |
| GEN | 98.41 | 0 | 1.59 | 92.86 | 2.38 | 4.76 | 2.00 |
| ENR | 97.62 | 0.79 | 1.59 | 85.71 | 10.32 | 3.97 | 1.37 |
| DOX | 98.41 | 0 | 1.59 | 92.07 | 4.76 | 3.17 | 2.73 |
| CLI | 98.41 | 0 | 1.59 | 88.89 | 0 | 11.11 | 2.21 |
| MUP | 99.21 | 0 | 0.79 | 2.59 | |||
| SXT | 96.83 | 0 | 3.17 | 84.12 | 1.59 | 14.29 | 4.05 |
a
Abbreviations: Avg SD, average standard deviation; OXA, oxacillin; AMC, amoxicillin/clavulanate; CEF, cephalothin; GEN, gentamicin; ENR, enrofloxacin; DOX, doxycycline; CLI, clindamycin; SXT, trimethoprim-sulfamethoxazole; MUP, mupirocin.