Table 1.

Ranges of MICs of amphotericin B by Etest with RPMI and AM3 and by the NCCLS broth macrodilution method from two separate experiments

Isolate Putative statusaAmphotericin B MIC (μg/ml)
Etest using:NCCLS broth macrodilution using AM3
RPMI AM3
C. lusitaniae 2887Resistant1.5–24–120.5–1
C. lusitaniae 2-367Resistant0.5–0.752–40.5–0.5
C. lusitaniae 6-103Resistant0.75–18–120.5–1
C. lusitaniae 6856-1Resistant0.38–0.380.5–0.750.25–0.5
C. lusitaniae 6856-2Resistant8–12>32–>321–2
C. lusitaniae Y533Resistant0.38–1.51.5–20.5–0.5
C. lusitaniae Y534Resistant0.25–0.750.75–0.750.25–0.25
C. lusitaniae 679Resistant1–21–20.25–0.5
C. lusitaniae 787Resistant1–32–40.5–0.5
C. tropicalis IP 1275-81Resistant16–1616–161–2
C. albicans ATCC 38248Resistant12–16>32–>321–1
C. lusitaniae CBS 6936Susceptible0.125–0.1250.094–0.1250.125–0.125
C. parapsilosis ATCC 22019Susceptible0.38–0.250.125–0.1250.25–0.25
  • a Putative susceptibility status was assigned on the basis of isolate source, clinical data, and any known in vivo or in vitro studies of that isolate.