Table 5.
MIC values (μg/mL) measured with three volumes and two plate materials by rBMD.
| Tested Agents | Strains | 100 μL | 200 μL | 300 μL | |||
|---|---|---|---|---|---|---|---|
| TC-PS | GB | TC-PS | GB | TC-PS | GB | ||
| PMB | E. coli ATCC 25922 | 2 | 0.5 | 1 | 0.25 | 1 | 0.25 |
| E. coli ATCC 2469 | 2 | 0.5 | 0.5 | 0.25 | 0.5 | 0.12 | |
| K. pneumoniae ATCC 700603 | 4 | 0.5 | 1 | 0.25 | 1 | 0.25 | |
| K. pneumoniae ATCC 2146 | 4 | 0.5 | 1 | 0.12 | 1 | 0.12 | |
| A. baumannii ATCC 19606 | 2 | 0.5 | 1 | 0.12 | 1 | 0.12 | |
| P. aeruginosa ATCC 27853 | 2 | 0.5 | 1 | 0.5 | 1 | 0.5 | |
| CST | E. coli ATCC 25922 | 2 | 1 | 1 | 0.25 | 1 | 0.25 |
| E. coli ATCC 2469 | 2 | 0.5 | 1 | 0.25 | 0.5 | 0.25 | |
| K. pneumoniae ATCC 700603 | 4 | 0.5 | 1 | 0.25 | 1 | 0.25 | |
| K. pneumoniae ATCC 2146 | 2 | 0.5 | 1 | 0.12 | 0.5 | 0.25 | |
| A. baumannii ATCC 19606 | 2 | 1 | 1 | 0.5 | 1 | 0.5 | |
| P. aeruginosa ATCC 27853 | 2 | 1 | 1 | 0.5 | 1 | 0.5 | |
PMB: polymyxin B; CST: colistin; TC-PS: tissue-culture-treated polystyrene microtiter plates; GB: glass-bottom microtiter plates; rBMD: reference broth microdilution. Levofloxacin was used as a control and MIC values of levofloxacin were consistent with three volumes and two plate materials.