Table 4. Antibiotics susceptibility of ESBL-producing Klebsiella pneumoniae .
Total (n = 49) | CTX-M-14 (n = 16) | CTX-M-15 (n = 21) | |
---|---|---|---|
R (%) | R (%) | R (%) | |
Cefotaxime | 40 (81.6) | 14 (87.5) | 19 (9.5) |
Ceftazidime | 34 (69.4) | 8 (50.0) | 20 (95.2) |
Cefepime | 27 (55.1) | 8 (50.0) | 14 (66.0) |
Piperacillin/tazobactam | 24 (48.9) | 2 (12.5) | 7 (33.3) |
Ciprofloxacin | 30 (61.2) | 7 (43.0) | 15 (71.4) |
Imipenem/cilastatin | 2 (4.1) | 1 (6.3) | 0 (0.0) |
Meropenem | 2 (4.1) | 2 (12.5) | 1 (4.8) |
Ertapenem | 16 (32.7) | 3 (18.8) | 6 (28.6) |
Five isolates produced both CTX-M-14 and CTX-M-15 enzymes.
ESBL, extended-spectrum beta-lactamase; R, resistant.