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Extended-spectrum beta-lactamase detection by Vitek 2 compared to composite reference method in Escherichia coli.
| Variable | ESBL classification according to composite reference standard |
||
|---|---|---|---|
| Positive | Negative | Total | |
| Definitive Vitek classification | |||
| Positive | 33 | 0 | 33 |
| Negative | 3 | 10 | 13 |
| Total | 36 | 10 | 46 |
ESBL, extended-spectrum beta-lactamase.
