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. 2011 Aug;49(8):2905–2910. doi: 10.1128/JCM.00753-11

Table 2.

Antibiotic susceptibility results for noncarbapenem antibiotics using EUCAST criteria

Antibiotic No. of isolates inhibited at the following concn (μg/ml)a
MIC (μg/ml)b
% Sc % Rc
0.12 0.25 0.5 1 2 4 8 16 32 64 128 256 50% 90%
Ceftazidime [22 26 22 22 30] 53 8 32 42.2 57.8
Cefepime [4 16 20 34 49] 52 16 32 52 78
Gentamicin [23 32 33] 87 8 16 31.4 68.6
Tobramycin [82 8 4] 81 4 16 51.4 48.6
Amikacin [72 1 58 22] 22 16 64 41.7 58.3
Netilmicin [23 0 34] 118 16 16 13.1 86.9
Ciprofloxacin [39 8 7 6] 115 4 4 26.8 73.2
Levofloxacin [3 2 5 30 9 9] 117 4 4 22.8 87.2
Fosfomycin [30 46] 99 128 128 17.1 82.9
Colistin [169 5] 1 2 2 99.4 0.6
Piperacillin-tazobactam [85d 17e 28f] 45g 32/4 ≥64/4 48.5 51.5
a

Left and right brackets indicate the lowest and highest concentrations tested, respectively.

b

50% and 90%, MICs at which 50 and 90% of the isolates, respectively, were inhibited.

c

Percentage of susceptible (S) and resistant (R) isolates according to EUCAST criteria.

d

Piperacillin/tazobactam concentrations (μg/ml) were ≤16/4, respectively.

e

Piperacillin/tazobactam concentrations (μg/ml) were 32/4, respectively.

f

Piperacillin/tazobactam concentrations (μg/ml) were 64/4, respectively.

g

Piperacillin/tazobactam concentrations (μg/ml) were >64/4, respectively.