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Reproducibility of quality control testing throughout the study
| Quality control K. pneumoniae strain (no. of replicates) | Mean zone size (standard deviation) in mm |
||
|---|---|---|---|
| 0 mM EDTA | 0.1 mM EDTA | 5 mM EDTA | |
| ATCC BAA-1706, carbapenemase negative (17) | 23 (1.4) | 23.1 (1.1) | 23.1 (0.9) |
| ATCC BAA-1705, KPC positive (17) | 6a (0) | 6 (0) | 6 (0) |
| ATCC BAA-2146, NDM positive (17) | 6 (0) | 21.1 (1.3) | 22.9 (1.0) |
Growth to the edge of the meropenem disk was recorded as 6 mm.
