Caspofungin MIC at the 24-h endpoint versus caspofungin zone diameters at 24 h using 5-μg BBL and Oxoid disks combined (two disks per strain). The MIC breakpoints were ≤2 μg/ml for susceptible and >2 μg/ml for nonsusceptible. R, resistant; S, susceptible; m, minor; M, major; VM, very major; n.a., not applicable.