Table 1.

Comparison of NCCLS- and XTT-based MIC data for antifungal susceptibility testing of QC strains of Candida

Antifungal agentMIC (μg/ml) for strain by method
C. parapsilosis ATCC 22019C. krusei ATCC 6258
NCCLSXTTNCCLSXTT
Amphotericin B0.25–0.50.251.0–2.0 2  
Fluconazole1.0–2.01.0–2.032–6464  
Itraconazole0.250.250.250.25–0.5
Ketoconazole0.06–0.1250.06–0.130.5  0.5
Flucytosine0.25–0.50.125–0.254.0–8.04.0–8.0