Table 1.
Antimicrobial agent | Sensitivity | Specificity | Predictive value + | Predictive value − | Cohen's kappa coefficient | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
% | 95% CI | % | 95% CI | % | 95% CI | % | 95% CI | κ | 95% CI | p value | Interpretation | |
Ampicillin (AMP)a | 96.0 | 80.5 to 99.3 | 96.0 | 88.4 to 99.6 | 96.0 | 80.5 to 99.3 | 97.8 | 88.4 to 99.6 | 0.94 | 0.85 to 1.00 | < 0.001 | Very Good |
Ciprofloxacin (CIP) | 98.2 | 90.7 to 99.7 | 100.0 | 75.8 to 100 | 100.0 | 93.6 to 100 | 92.3 | 66.7 to 98.6 | 0.95 | 0.86 to 1.00 | < 0.001 | Very Good |
Nalidixic acid (NAL) | 100.0 | 93.6 to 100 | 100.0 | 77.2 to 100 | 100.0 | 93.6 to 100 | 100.0 | 77.2 to 100 | 1.00 | 1.00 to 1.00 | < 0.001 | Very Good |
Erythromycin (ERY) | 100.0 | 64.6 to 100 | 100.0 | 94.2 to 100 | 100.0 | 64.6 to 100 | 100.0 | 94.2 to 100 | 1.00 | 1.00 to 1.00 | < 0.001 | Very Good |
Gentamicin (GEN) | 100.0 | 61.0 to 100 | 100.0 | 94.3 to 100 | 100.0 | 61.0 to 100 | 100.0 | 94.3 to 100 | 1.00 | 1.00 to 1.00 | < 0.001 | Very Good |
Streptomycin (STR) | 96.2 | 81.1 to 99.3 | 95.3 | 84.5 to 98.7 | 92.6 | 76.6 to 97.9 | 97.6 | 87.7 to 99.6 | 0.91 | 0.81 to 1.00 | < 0.001 | Very Good |
Tetracycline (TET) | 100.0 | 93.6 to 100 | 100.0 | 77.2 to 100 | 100.0 | 93.6 to 100 | 100.0 | 77.2 to 100 | 1.00 | 1.00 to 1.00 | < 0.001 | Very Good |
aPresence of blaOXA-61-like gene with T at the promoter region (57 bp upstream of the start codon) and/or presence of blaOXA-184 gene.