The most frequent species isolated at baseline were C. albicans (63.8% anidulafungin, 59.3% fluconazole), followed by C. glabrata (15.7%, 25.4%), C. parapsilosis (10.2%, 13.6%) and C. tropicalis (11.8%, 9.3%) - with 20, 13 and 15 isolates of the last 3 species, respectively, in the anidulafungin group.