Antibiotics | MIC Break points + (S, R)* | E. coli (54) | K. pneumoniae (7) | ||||||
---|---|---|---|---|---|---|---|---|---|
S = n (%) | MIC5050 | MIC90 | MIC Range | S = n (%) | MIC50 | MIC90 | MIC Range | ||
Amikacin | S ≤ 16, R ≥ 64 | 43 (79.6%) | 2 | 64 |  ≤ 2 to ≥ 64 | 7 (100%) | 2 | 32 |  ≤ 2 to ≥ 64 |
Amoxicillin-clavulanic acid | S ≤ 8/4, R ≥ 32/16 | 27 (50%) | 16 | 32 |  ≤ 2 to ≥ 32 | 5 (71.4%) | 8 | – |  ≤ 2 to ≥ 32 |
Ampicillin | S ≤ 8, R ≥ 32 | 15 (27.7%) | 32 | 32 |  ≤ 2 to ≥ 32 | 1 (14.2%) | 32 | 32 |  ≤ 2 to ≥ 32 |
Cefalotin | S ≤ 16, R ≥ 32 | 16 (29.6%) | 64 | 64 |  ≤ 2 to ≥ 64 | 4 (57%) | 4 | – |  ≤ 2 to ≥ 64 |
Cefixime | S ≤ 1, R ≥ 4 | 20 (37%) | 4 | 4 |  ≤ 0.25 to ≥ 4 | 7 (100%) | 0.25 | 4 |  ≤ 0.25 to ≥ 4 |
Cefoxitin | S ≤ 8, R ≥ 32 | 34 (63%) | 4 | 64 |  ≤ 2 to ≥ 64 | 4 (57%) | 4 | – |  ≤ 4 to ≥ 64 |
Ceftazidime | S ≤ 4, R ≥ 16 | 28 (51.8%) | 4 | 64 |  ≤ 1 to ≥ 64 | 3 (42.8%) | 1 | 64 |  ≤ 0.5 to ≥ 64 |
Ceftriaxone | S ≤ 1, R ≥ 4 | 21 (38.8%) | 64 | 64 |  ≤ 1 to ≥ 64 | 6 (85.7) | 1 | 64 |  ≤ 1 to ≥ 64 |
Ciprofloxacin | S ≤ 0.25, R ≥ 1 | 17 (31.4%) | 4 | 4 |  ≤ 0.25 to ≥ 64 | 3 (42.8%) | 0.25 | 4 |  ≤ 0.25 to ≥ 4 |
Cotrimoxazole | S ≤ 40, R ≥ 80 | 29 (53.7%) | 20 | 320 |  ≤ 20 to ≥ 320 | 5 (71.4%) | 20 | 320 |  ≤ 20 to ≥ 320 |
Ertapenem | S ≤ 0.5, R ≥ 2 | 49 (90.7%) | 0.5 | 0.5 |  ≤ 0.5 to ≥ 8 | 7 (100%) | 0.5 | – |  ≤ 0.5 to ≥ 8 |
Fosfomycin | S ≤ 64, R ≥ 256 | 54 (100%) | 16 | 16 |  <  = 16 to ≥ 128 | – | – | – |  |
Gentamicin | S ≤ 4, R ≥ 16 | 37 (68.5%) | 1 | 16 |  ≤ 1 to ≥ 16 | 6 (85.7%) | 1 | 8 |  ≤ 1 to ≥ 16 |
Nitrofurantoin | S ≤ 32, R ≥ 128 | 48 (88.8%) | 16 | 64 |  ≤ 16 to ≥ 256 | 5 (71.4%) | 64 | 128 |  ≤ 16 to ≥ 512 |
Piperacillin/Tazobactam | S ≤ 32, R > 128 | 27 (50%) | 64 | 128 |  ≤ 4 to ≥ 128 | 6 (85.7%) | 4 | 128 |  ≤ 4 to ≥ 128 |
Ticarcillin | S ≤ 8, R ≥ 32 | 14 (26%) | 128 | 128 |  ≤ 8 to ≥ 128 | 0% | 128 | 128 |  ≤ 8 to ≥ 128 |