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. 2026 May 12;17:1811142. doi: 10.3389/fmicb.2026.1811142

Table 1.

Detailed antimicrobial susceptibility testing results for strain S_KLB.

Drug class Drug Concentration Bacteriostatic ring diameter (mm) Result Standard f criterion
Beta-lactams Imipenem 10 μg 9 R 23(S), 20-22(I), 19(R)
Oxacillin 10 μg 6 R 13(S), 11-12(I), 10(R)
Macrolides Azithromycin 15 μg 6 R 12(S), 11(I), 10(R)
Erythromycin 15 μg 6 R 23(S), 14-22(I), 13(R)
Aminoglycosides Gentamicin 10 μg 14 I 15(S), 13-14(I), 12(R)
Kanamycin 30 μg 15 I 18(S), 14-17(I), 13(R)
Amikacin 30 μg 11 R 17(S), 15-16(I), 14(R)
Cephalosporins Cefotaxime 30 μg 18 R 26(S), 23-25(I), 22(R)
Cefoperazone 75 μg 18 I 21(S), 16-20(I), 15(R)
Cefuroxime Axetil 30 μg 16 I 18(S), 15-17(I), 14(R)
Quinolones Enrofloxacin 5 μg 19 S 19(S), 14-18(I), 13(R)
Levofloxacin 5 μg 19 I 21(S), 17-20(I), 16(R)
Fluoroquinolones Ciprofloxacin 10 μg 14 R 26(S), 22-25(I), 21(R)
Aminocyclitols Spectinomycin 100 μg 14 R 18(S), 15-17(I), 14(R)
Tetracyclines Doxycycline 30 μg 15 I 18(S), 15-17(I), 14(R)
Glycopeptides Teicoplanin 30 μg 6 R 14(S), 11-13(I), 10(R)
Nitrofurans Fosfomycin 200 μg 20 S 16(S), 13-15(I), 12(R)
Monobactams Aztreonam 30 μg 24 S 21(S), 18–20(I), 17(R)
Ansamycins Rifampicin 5 μg 8 R 20(S), 17-19(I), 16(R)
Polypeptides Polymyxin 300 μg 10 R ≥14 (S), <14 (R)