Minimum inhibitory concentration (MIC). AMC, amoxicillin/clavulanic acid; CLI, clindamycin; ERY, erythromycin; IPM, imipenem; LVX, levofloxacin; LZD, linezolid; MTZ, metronidazole; PEN, benzylpenicillin; RIF, rifampicin; TEC, teicoplanin; TET, tetracycline; TGC, tigecycline; VAN, vancomycin. R: MIC value above the breakpoint for in vitro resistance.