Table 1.
Antibiotic class | Antibiotics | K. pneumoniae 2–1 | K. pneumoniae HS11286 | ||
---|---|---|---|---|---|
Inhibition zone (mm) | MIC (μg/ml) | Inhibition zone (mm) | MIC (μg/ml) | ||
β-lactam | Ampicillin (AMP) | R(0) | R(>512) | R(0) | R(>512) |
Amoxicillin-Clavulanate (AMO) | R(0) | R(64/32) | R(0) | R(256/128) | |
Ceftazidime-Avibactam | R(19) | S(0.5/4) | S(22) | S(2/4) | |
Piperacillin-Tazobactam | R(15) | R(256/4) | R(0) | R(>256/4) | |
Cefepime (FEP) | SDD(24) | S(0.5) | R(12) | R(32) | |
Ceftazidime (CAZ) | R(9) | R(32) | R(0) | R(256) | |
Cefotaxime (CTX) | R(20) | R(32) | R(0) | R(256) | |
Cefoxitin (CFX) | R(0) | R(512) | R(0) | R(512) | |
Cefoperazone (CFP) | I(18) | I(32) | R(0) | R(>512) | |
Carbapenem | Imipenem (IPM) | R(9) | I(2) | R(0) | R(16) |
Aminoglycoside | Spectinomycin (SPE) | I(16) | – | R(14) | – |
Kanamycin (KAN) | R(0) | R(>512) | R(0) | R(>512) | |
Streptomycin (STR) | R(8) | – | R(0) | – | |
Quinolone | Gatifloxacin (GAT) | R(0) | R(32) | I(15) | R(>512) |
Ciprofloxacin (CIP) | R(9) | R(128) | I(16) | S(1) | |
Nalidixic acid (NAL) | R(0) | R(>512) | R(0) | R(>512) | |
Diaminopyrimidine | Trimethoprim (TMP) | R(0) | R(>512) | R(0) | R(>512) |
Sulfonamide | Sulfisoxazole (SFI) | R(0) | R(>512) | R(0) | R(>512) |
Rifampicin | Rifampicin (RFP) | R(0) | – | R(11) | – |
Macrolide | Erythromycin (EM) | R(0) | – | R(0) | – |
Phenicol | Chloramphenicol (CHL) | R(0) | R(256) | R(12) | R(128) |
Tetracycline | Tetracycline (TET) | R(0) | R(64) | R(10) | R(512) |
Glycylcycline | Tigecycline (TIG) | S(20) | S(1) | I(17) | S(1) |
Polymyxin | Polymyxin B (PMB) | N | R(4) | N | S(2) |
Polymyxin E (PME) | N | R(4) | N | S(2) |
–, MIC breakpoint unavailable in CLSI standard.
N, Disk diffusion test not recommended in CLSI standard.