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. 2013 Nov 1;8(11):e79130. doi: 10.1371/journal.pone.0079130

Figure 1. Different patterns of effects and distributions of inhibition zone diameters.

Figure 1

Part A: Different “patterns of effects” when analysing period A according CLSI 2009 guidelines and period B according CLSI 2009 and EUCAST 1.3 guidelines; numbers are percent susceptible. Part B: Distribution of inhibition zone diameters of E.coli and cefepime: isolates of columns in black are not classified as “susceptible” any more when reported according to EUCAST 1.3 guidelines. Part C: Distribution of inhibition zone diameters of E. coli and meropenem: no change of susceptibility rate when EUCAST 1.3 guidelines are applied. Part D: Distribution of inhibition zone diameters of E. coli and amoxicillin/clavulanic acid: overlap of wild-type and resistent bacteria, leading to a change in classification from “intermediate” to “susceptible” (black column) of a near significant number of isolates when EUCAST 1.3 guidelines are applied.