Comparative in vitrostudy of the antimicrobial activities of different commercial antibiotic products for intravenous administration

Table 12 Critical concentrations for different samples of Meropenem against different microorganisms.

Sample	Critical Concentration (μg/ml)
	P. a. 151	P. a. 157	E. c. 69	E. c. 50	A. b. 147	K. b. 63
Standard	3.253	0.437	0.512	0.439	1.533	0.107
M1	3.474	0.467	0.547	0.469	1.637	0.114
M2	3.461	0.465	0.545	0.467	1.631	0.114
M3	3.490	0.469	0.549	0.471	1.645	0.115
M4	3.660	0.492	0.576	0.494	1.725	0.120
M5	3.377	0.454	0.531	0.456	1.591	0.111
M6	3.403	0.457	0.536	0.459	1.604	0.112
M7	3.461	0.465	0.545	0.467	1.631	0.114
M8	3.692	0.496	0.581	0.498	1.740	0.121
M9	3.445	0.463	0.542	0.465	1.623	0.113
M10	3.390	0.455	0.534	0.457	1.597	0.111
M11	3.409	0.458	0.537	0.460	1.607	0.112
M12	3.445	0.463	0.542	0.465	1.623	0.113
M13	3.377	0.454	0.531	0.456	1.591	0.111
M14	3.338	0.448	0.525	0.450	1.573	0.110
M15	3.425	0.460	0.539	0.462	1.614	0.113
M16	3.373	0.453	0.531	0.455	1.590	0.111
M17	3.380	0.454	0.532	0.456	1.593	0.111
M18	3.419	0.459	0.538	0.461	1.611	0.112
M19	3.455	0.464	0.544	0.466	1.628	0.114
M20	3.435	0.461	0.541	0.464	1.619	0.113