Table 5.
Performance of Carba-R test in comparison with routine drug susceptibility testing
| Klebsiella pneumoniae | Escherichia coli | Enterobacteriaceae | Pseudomonas and Acinetobacter | |
|---|---|---|---|---|
| Sensitivity% (confidence interval) |
89.58 (77.34–96.53) | 100 (36.76–100) | 90.74 (79.70–96.92) | 20.00 (4.33–48.09) |
| Specificity% (confidence interval) |
96.55 (82.24–99.91) | 91.43 (76.94–98.20) | 93.15 (84.74–97.74) | 100 (71.5–100) |
| LR+ (confidence interval) |
25.98 (3.78–178.68) | 11.67 (3.95–34.42) | 13.25 (5.66–31.00) | – |
| LR– (confidence interval) |
0.10 (0.05–0.25) | 0.00 | 0.10 (0.04–0.23) | 0.8 (0.62–1.03) |
| PPV% | 97.28 | 63.91 | 83.58 | 100 |
| NPV% | 87.03 | 100 | 96.31 | 43.71 |