Table 2 Concordance rate between antimicrobial phenotypes and predicted genotypes.
Antibiotic class | Antibiotic | Resistant isolates | False positive | False negative | Concordance (%) | Resistance determinants |
|---|---|---|---|---|---|---|
Beta-lactam | Penicillin | 88 | 0 | 2 | 97.7 | blaZ |
Cefoxitin | 88 | 0 | 0 | 100 | mecA | |
MLSB | Erythromycin/ clindamycin/ streptogramin | 76 | 0 | 1 | 98.9 | erm, msr |
Fluoroquinolone | Ciprofloxacin/ moxifloxacin | 82 | 0 | 0 | 100 | Mutations in gyrA/grlA, norA |
Aminoglycoside | Amikacin/ gentamicin | 26 | 0 | 2 | 97.7 | aac(6’)-aph(2″), aph(3’)-III, ant(9)-Ia, ant(6)-Ia, aadD |
Tetracycline | Tetracycline/ doxycycline/ minocycline | 9 | 0 | 1 | 98.9 | tet |
Folate inhibitor | Trimethoprim-sulfamethoxazole | 8 | 1 | 0 | 98.9 | dfrG |
Phenicol | Chloramphenicol | 5 | 0 | 0 | 100 | cat |
Fucidane | Fusidic acid | 13 | 0 | 3 | 96.6 | fus |
Ansamycin | Rifampicin | 3 | 0 | 0 | 100 | Mutation in rpoB |
Monoxycarbolic acid | Mupirocin | 1 | 0 | 0 | 100 | mupA |
