Table 3.
Performance of the MALDI-TOF systems for the identification of selected organisms, including Burkholderia spp.
| Organism | No. of isolates |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Total | Vitek MS SARAMIS |
Vitek MS v2.0 |
BrukerBiotyper |
|||||||
| Genus | Family | No ID | Genus | Family | No ID | Genus | Family | No ID | ||
| Achromobacter spp. | 44 | 43 | 1 | 0 | 44 | 0 | 0 | 44 | 0 | 0 |
| Chryseobacterium spp. | 20 | 16 | 0 | 4 | 18 | 0 | 2 | 19 | 0 | 1 |
| Ralstonia spp. | 11 | 11 | 0 | 0 | 11 | 0 | 0 | 11 | 0 | 0 |
| Species | Complex | Genus | Species | Complex | Genus | Species | Complex | Genus | ||
| Burkholderia cenocepacia | 6 | 6 | 0 | 0 | 0 | 5 | 1 | 5 | 1 | 0 |
| Burkholderia cepacia | 3 | 2 | 0 | 1 | 2 | 1 | 0 | 1 | 2 | 0 |
| Burkholderia contaminans | 4 | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 4 | 0 |
| Burkholderia multivorans | 16 | 16 | 0 | 0 | 16 | 0 | 0 | 16 | 0 | 0 |
| Burkholderia vietnamensis | 4 | 4 | 0 | 0 | 4 | 0 | 0 | 4 | 0 | 0 |
| Burkholderia cepacia complex, not further identifieda | 4 | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 4 | 0 |
| Burkholderia gladioli | 41 | 41 | 0 | 0 | 41 | 0 | 0 | 39 | 0 | 2 |
a
These organisms were not able to be identified beyond being members of the Burkholderia cepacia complex.