Table 2.
Species identification of isolates previously identified as C. famata by the Vitek 2 and MALDI-TOF methods in comparison with reference molecular methodology
| Reference identification (no. of isolates) | Test method | No. (%) correct | Discrepancies (no. of isolates) |
|---|---|---|---|
| C. guilliermondii (19) | Vitek 2 | 5 (26.3) | C. famata/C. guilliermondii low discrimination (12), C. famata (2) |
| MALDI | 17 (89.5) | C. guilliermondii with low score value (1), no reliable identification (1) | |
| C. parapsilosis (12) | Vitek 2 | 11 (91.7) | C. famata/C. parapsilosis low discrimination (1) |
| MALDI | 12 (100.0) | ||
| C. lusitaniae (5) | Vitek 2 | 5 (100.0) | |
| MALDI | 5 (100.0) | ||
| C. albicans (4) | Vitek 2 | 4 (100.0) | |
| MALDI | 4 (100.0) | ||
| C. tropicalis (3) | Vitek 2 | 2 (66.7) | C. tropicalis/C. parapsilosis low discrimination (1) |
| MALDI | 3 (100.0) | ||
| C. fermentati (2) | Vitek 2 | 0 (0.0) | C. famata/C. guilliermondii low discrimination (2) |
| MALDI | 0 (0.0) | C. guilliermondii with low score value (1), no reliable identification (1) | |
| C. fabianii (1) | Vitek 2 | 0 (0.0) | Unidentified (1) |
| MALDI | 0 (0.0) | No reliable identification (1) | |
| C. intermedia (1) | Vitek 2 | 1 (100.0) | |
| MALDI | 0 (0.0) | C. intermedia with low score value (1) | |
| C. metapsilosis (1) | Vitek 2 | 0 (0.0) | C. parapsilosis (1) |
| MALDI | 0 (0.0) | No reliable identification (1) | |
| C. orthopsilosis (1) | Vitek 2 | 0 (0.0) | C. parapsilosis (1) |
| MALDI | 1 (100.0) | ||
| C. pelliculosa (1) | Vitek 2 | 1 (100.0) | |
| MALDI | 1 (100.0) | ||
| D. nepalensis (1) | Vitek 2 | 0 (0.0) | C. sphaerica (1) |
| MALDI | 0 (0.0) | No reliable identification (1) | |
| D. fabryi (1) | Vitek 2 | 0 (0.0) | C. famata (1) |
| MALDI | 0 (0.0) | No reliable identification (1) | |
| K. ohmeri (1) | Vitek 2 | 1 (100.0) | K. ohmeri (1) |
| MALDI | 0 (0.0) | C. guilliermondii (1) | |
| Total (53) | Vitek 2 | 30 (56.6) | |
| MALDI | 43 (81.1) |