Table 2. Comparison of identification results for 184 strains of viridans streptococci obtained with the Autoflex II-based method or with the VITEK-MS-based method.
| Species | N of isolates | N of isolates (% correct) identified by: | |||
|---|---|---|---|---|---|
| Autoflex II | VITEK-MS | ||||
| Group level | Species level | Group level | Species level | ||
| S. mitis group | 105 | 102 (97) | 84 (80) | ||
| S. mitis/oralis | 102 | 99 (97) | 82 (80) | ||
| S. cristatus | 3 | 0 | 2 (66.6) | ||
| S. sanguinis group | 70 | 68 (97) | 54 (77) | ||
| S. sanguinis | 41 | 40 (97.5) | 33 (80) | ||
| S. parasanguinis | 6 | 5 (83) | 5 (83) | ||
| S. gordonii | 23 | 22 (96) | 16 (69.5) | ||
| S. anginosus group | 9 | 9 (100) | 7 (77.7) | ||
| S. anginosus | 4 | 4 (100) | 3 (75) | ||
| S. constellatus | 5 | 5 (100) | 4 (80) | ||
| Total | 184 | 179 (97) | 175 (95) | 145 (79) | 145 (79) |