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Kappa values of agreement between automated identification by the VITEK®2 system, the conventional phenotypic methods, and genotypic identification
| Group | Number of isolates | Kappa | |
|---|---|---|---|
| Conventional method × genotypic method | Automated method × genotypic method | ||
| Gram-positive cocci | 255 | 0.969 | 0.904 |
| CoNS | 186 | 0.969 | 0.886 |
| Gram-negative bacilli | 165 | 0.993 | 1.000 |
| Gram-positive bacilli | 5 | NP | 0 |
| Yeasts | 15 | 1.000 | 1.000 |
| Total | 400 | 0.958 | 0.945 |
CoNS coagulase-negative staphylococci, NP not performed
