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Summary of analytic performance of three different screening methods
| Method | No. of false negatives | No. of false positives | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Mean TAT (h) |
|---|---|---|---|---|---|---|---|
| CHROMagar | 15 | 0 | 77.3 | 100 | 100 | 65.9 | 64 |
| VACC plates | 15 | 0 | 77.3 | 100 | 100 | 65.9 | 72 |
| blaKPC PCR | 2 | 1 | 97.0 | 96.6 | 98.5 | 93.3 | 24 |
