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. 2001 Feb;39(2):525–532. doi: 10.1128/JCM.39.2.525-532.2001

TABLE 2.

Degree of reproducibility of results of four AST methodologies with regard to 30 consecutive MICs for reference strains C. parapsilosis ATCC 22019 and C. krusei ATCC 6258

Medium Inoculum (CFU/ml) Method of endpoint determination Time of incubation (h) ICCa with:
AMB 5FC FLC ITC KTC VRC
RPMI–2%G 105 Visual inspection 24 0.843 0.956 0.791 0.789 0.825 0.777
48 0.856 0.942 0.722 0.783 0.812 0.799
Spec-50% 24 0.854 0.978 0.932 0.962 0.971 0.934
48 0.823 0.921 0.908 0.927 0.937 0.936
Spec-80% 24 0.935 0.943 0.912 0.897 0.907 0.886
48 0.921 0.956 0.899 0.904 0.911 0.901
Spec-95% 24 0.965
48 0.964
RPMI–2%G 104 Visual inspection 24 0.813 0.914 0.786 0.756 0.863 0.797
48 0.824 0.931 0.798 0.765 0.821 0.804
Spec-50% 24 0.845 0.932 0.911 0.941 0.962 0.908
48 0.865 0.941 0.903 0.916 0.924 0.912
Spec-80% 24 0.921 0.916 0.895 0.868 0.894 0.870
48 0.919 0.932 0.891 0.857 0.904 0.868
Spec-95% 24 0.943
48 0.931
RPMI–2%G 103 Visual inspection 24 0.813 0.907 0.782 0.743 0.829 0.799
48 0.819 0.906 0.784 0.725 0.822 0.812
Spec-50% 24 0.853 0.896 0.853 0.842 0.895 0.892
48 0.855 0.885 0.849 0.834 0.894 0.867
Spec-80% 24 0.901 0.893 0.842 0.840 0.881 0.867
48 0.888 0.871 0.856 0.829 0.874 0.866
Spec-95% 24 0.929
48 0.921
RPMI 103 Visual inspection 24 0.845 0.723 0.654 0.765 0.798 0.723
48 0.898 0.912 0.867 0.781 0.825 0.804
Spec-50% 24 0.734 0.723 0.712 0.698 0.687 0.714
48 0.742 0.889 0.863 0.821 0.886 0.843
Spec-80% 24 0.765 0.678 0.703 0.843 0.812 0.823
48 0.845 0.829 0.851 0.820 0.839 0.818
Spec-95% 24 0.870
48 0.871
a

Data are expressed over a maximum value of 1.