Table 2 Antimicrobial susceptibility pattern of A. hydrophila isolates (n = 38)
Antimicrobial class | Antimicrobial agent | Interpretation | |||||
|---|---|---|---|---|---|---|---|
Sensitive | Intermediate | Resistance | |||||
N | % | N | % | N | % | ||
β-lactamase | Oxacillin Ampicillin Amoxacillin + clavulanic acid | - - - | - - - | - - 4 | - - 10.5 | 38 38 34 | 100 100 89.5 |
Cephalosporins | Cefotaxime Cefadroxil | - 3 | - 7.9 | 4 1 | 10.5 2.6 | 34 34 | 89.5 89.5 |
Aminoglycosides | Amikacin Gentamycin | 33 36 | 86.6 94.7 | 4 1 | 10.5 10.5 | 1 1 | 2.6 10.5 |
Fluoroquinolones | Levofloxacin Ciprofloxacin | 38 34 | 100 89.5 | - 4 | - 10.5 | - - | - - |
Polymyxins | Polymyxin B | 11 | 28.9 | 8 | 21.1 | 19 | 50 |
Tetracyclines | Doxycycline | 12 | 31.6 | 2 | 5.2 | 23 | 60.5 |
Sulfonamides | Trimethoprim-Sulfamethoxazole | 20 | 52.6 | 2 | 5.2 | 16 | 42.1 |
Chi-square P value | 176.14 P < 0.0001 | 25.2 0.008521 | 138.15 P < 0.0001 | ||||