TABLE 7.
Voriconazole MICs for Candida spp. calculated from disk zone diameter measurements and MIC versus zone diameter regression plots: comparison with ARTEMIS BMD MIC resultsa
| Species | Calculated MIC (μg/ml) and %Rb
|
ARTEMIS BMD MIC (μg/ml) and %Rb,c
|
||||||
|---|---|---|---|---|---|---|---|---|
| n | 50%d | 90%d | %R | n | 50%d | 90%d | %Rb | |
| C. albicans | 47,584 | 0.02 | 0.09 | 0.7 | 2,359 | 0.007 | 0.015 | 1.0 |
| C. glabrata | 8,719 | 0.36 | 2.08 | 5.8 | 607 | 0.25 | 1.0 | 4.0 |
| C. parapsilosis | 5,233 | 0.02 | 0.16 | 0.8 | 439 | 0.015 | 0.12 | 1.0 |
| C. tropicalis | 5,643 | 0.11 | 0.86 | 2.4 | 319 | 0.06 | 0.12 | 1.0 |
| C. krusei | 1,996 | 0.24 | 0.95 | 1.7 | 114 | 0.25 | 0.5 | 0.0 |
| C. lusitaniae | 445 | 0.01 | 0.12 | 1.6 | 42 | 0.007 | 0.06 | 0.0 |
| C. pelliculosa | 38 | 0.09 | 0.26 | 0.0 | 16 | 0.25 | 0.5 | 0.0 |
BMD testing was performed as described in CLSI M27-A2, and disk diffusion testing was performed as described in CLSI M44-A.
%R, percent resistant to voriconazole (MIC ≥ 4 μg/ml).
Data abstracted from Pfaller et al. (24).
50% and 90%, MIC encompassing 50% and 90% of isolates tested, respectively.