Detection of β-Lactamases and Outer Membrane Porins among Klebsiella pneumoniae Strains Isolated in Iran

Table 2

Minimum inhibitory concentration of different antibiotics against 83 K. pneumoniae isolates.

Antibiotics	MIC (g/mL)
	Range	50%	90%
Meropenem	0.25–256	1	32
Imipenem	0.25–256	1	16
Ceftazidime	1–>256	64	>256
Ceftriaxone	0.5–>256	16	>256
Cefepime	0.5–>256	16	>256
Cefotaxime	0.5–>256	16	>256
Piperacillin/tazobactam	0.25–256	4	128
Ampicillin	2–>256	256	>256