Table 3 Sensitivity, specificity, positive and negative predictive values of the microscan walkaway system
| Antibiotic | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) |
|---|---|---|---|---|
| Ertapenem | 98 | 13 | 70 | 73 |
| Imipenem | 76 | 77 | 88 | 60 |
| Meropenem | 78 | 59 | 80 | 56 |