Table 2

Overview of MALDI-TOF MS identification results for arthroconidial yeast species (ascomycetous [Geotrichum-like] or basidiomycetous [Trichosporon-like])

Log score value ofa:No. (%) of identifications for:
CBS-KNAW reference set of ascomycetous yeast spp. (n = 40)Set of clinical isolates of ascomycetous yeast spp. (n = 32)CBS-KNAW reference set of basidiomycetous yeast spp. (n = 45)Set of clinical isolates of basidiomycetous yeast spp. (n = 102)
Spot 1Spot 2CorrectOtherCorrectOtherCorrectOtherCorrectOther
>2.0>2.026 (65)016 (50.0)034 (75.6)3 (6.7)b53 (52)6 (5.8)b
>2.01.7–2.06 (15)04 (12.5)01 (2.2)011 (10.8)1 (1.0)b
>2.0NRI (<1.7)1 (2.5)0001 (2.2)01 (1.0)1 (1.0)b
>2.0NPF1 (2.5)07 (21.9)05 (11.1)028 (27.5)0
1.7–2.01.7–2.04 (10)01 (3.1)001 (2.2)b1 (1.0)0
1.7–2.0NRI (<1.7)00000000
1.7–2.0NPF1 (2.5)0000000
NRI (<1.7)NRI (<1.7)1 (2.5)004 (12.5)c0000
NRI (<1.7)NPF00000000
NPFNPF00000000
Total40 (100)028 (87.5)4 (12.5)c41 (91.1)4 (8.9)94 (92.2)8 (7.8)
  • a NRI, no reliable identification; NPF, no peaks found.

  • b Correct identification only at the genus level.

  • c No reliable identification; these isolates may represent a new species.