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| Macromethod E test | GRD E test | Total | |
|---|---|---|---|
| hVISA | VSSA | ||
| hVISA | 58 | 21 | 79 |
| VSSA | 4 | 75 | 79 |
| Total | 62 | 96 | 158 |
Concordance={(58+75)/158}×100=84.2%.
Abbreviations: GRD, glycopeptide resistance detection; VSSA, vancomycin-susceptible S. aureus; hVISA, heterogeneous vancomycin-intermediate S. aureus.
