Staphylococci (coagulase-negative) and Imipenem
Concentration
(μg/ml)
8
7.2
6.4
5.6
4.8
4
3.2
2.4
1.6
0.8
Imipenem
0.19
0.047
Imipenem
4
0.12
Imipenem
8
1
Imipenem
8
8
1
2
3
4
MIC50
MIC90
Strain Number