Table 3.
Correlation of phenotype susceptibility and genotype.
| Drug classes | Phenotype: resistant (R) | Phenotype: susceptible (S) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Genotype: R | Genotype: S | Genotype: R | Genotype: S | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | ||
| Beta-lactams | |||||||||
| AMP | 31 | 3 | 1 | 59 | 96.9 | 95.2 | 91.2 | 98.3 | |
| AMC | 12 | 1 | 2 | 79 | 85.7 | 98.8 | 92.3 | 97.5 | |
| FOX | 13 | 0 | 1 | 80 | 92.9 | 100 | 100 | 98.8 | |
| CRO | 18 | 1 | 1 | 74 | 94.7 | 98.7 | 94.7 | 98.7 | |
| Phenicol | |||||||||
| CHL | 21 | 4 | 0 | 69 | 100 | 94.5 | 84.0 | 100 | |
| Quinolones | |||||||||
| CIP | 15 | 2 | 1 | 76 | 93.75 | 97.4 | 88.2 | 98.7 | |
| NAL | 14 | 1 | 2 | 77 | 87.5 | 98.7 | 93.3 | 97.5 | |
| Aminoglycosides | |||||||||
| GEN | 27 | 2 | 6 | 59 | 81.8 | 96.7 | 93.1 | 90.8 | |
| STR | 39 | 3 | 3 | 49 | 92.9 | 94.2 | 92.9 | 94.2 | |
| Folate pathway inhibitors | |||||||||
| SUL | 27 | 4 | 3 | 60 | 90.0 | 93.75 | 87.1 | 95.2 | |
| SXT | 16 | 0 | 1 | 77 | 94.1 | 100 | 100 | 98.7 | |
| Tetracycline | |||||||||
| TET | 36 | 4 | 1 | 53 | 97.3 | 92.9 | 90.0 | 98.1 | |
| Macrolide | |||||||||
| AZM | 6 | 0 | 1 | 87 | 85.7 | 100 | 100 | 98.9 | |