Table 1.
Comparision Between Genotypes and Phenotypes of Antibiotic Resistance
| Antibiotic | Susceptible Phenotype | Resistant Phenotype | Sensitivity (%) | Specificity (%) | Agreement (%) | PPV (%) | NPV (%) | Kappa | P value | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Resistant Genotype | Susceptible Genotype | Resistant Genotype | Susceptible Genotype | |||||||||
| CLR | 33 | 264 | 156 | 36 | 81.2 | 88.9 | 85.9 | 82.5 | 88.0 | 0.703 | 0.000 | |
| LVX | 21 | 313 | 108 | 47 | 69.7 | 93.7 | 86.1 | 83.7 | 86.9 | 0.664 | 0.000 | |
Abbreviations: CLR, clarithromycin; LVX, levofloxacin; PPV, positive predictive value; NPV, negative predictive value.